blank/bare/empty/hollow/vacant.导航词义：空的

1. blank:adj. 空白的.指纸张无字迹的、未印刷过的，或磁带未录制内容的。

a blank cheque/form

空白支票/表格

Leave the first page blank.

第一页留空。

2. bare:adj. 空的；裸露的；荒芜的.指建筑物内部缺乏设施或装饰的，也指人身体部位裸露的，形容土地、树木等时表示其没有植被覆盖或枝叶凋落的。

bare feet/trees

光着脚/光秃秃的树

She lived in that tiny bare room for six years.

她在那个空荡荡的小房间住了6年。

She wore a low-necked dress, and her arms were bare.

她穿着一件低领连衣裙，手臂裸露。

There's no carpet in the bedroom, just bare floorboards.

卧室里地板裸露，没有铺地毯。

3. empty:adj. 空的；无人的.指容器里面什么也没有或者某个地方没有人的。

an empty cup/room

空杯子/房间

The house stood empty for many years.

这房子好多年没人住了。

4. hollow:adj. 空心的，中空的.指实物的内部是空心的。

a hollow tree/tube

空心树/管子

hollow blocks are used because they are lighter.

使用空心砖是因为它们更轻。

5. vacant:adj. （地方）空的；;（职位）空缺的.指房屋、土地等未被占用的，或指工作或职位空缺的，侧重表示临时性的情况。

The apartment is still vacant.

那套公寓仍然空着。

The position became vacant after his resignation.

他辞职后，这个职位暂时空缺。

全部

1·The tree trunk was hollow inside.

这树干里面是空的。《牛津词典》

2·The squirrel disappeared into a hollow at the base of the tree.

松鼠钻进了树根处的一个洞。《牛津词典》

3·His proud boast of leading the party of low taxation has a hollow ring.

他有关领导“主张低税收的政党”的豪言有空洞的感觉。《柯林斯英汉双解大词典》

4·He wants a hollow pumpkin lantern.

他想要一个空心南瓜灯。

5·Bamboo is light because it is hollow.

竹子很轻，因为它中间是空的。《新英汉大辞典》

6·A iron bar is solid; a pipe is hollow.

铁条是实心的，管子是空心的。《新英汉大辞典》

7·He soon struck wood that sounded hollow.

他很快就敲到了声音空洞的木头。

8·This tree has been eaten hollow by worms.

这棵树被虫子蛀空了。《新英汉大辞典》

9·Would she turn coldly away like all the hollow world?

她会不会像这个空虚的世界一样，冷漠地调头不管？

10·Tom said to himself that it was not such a hollow world, after all.

汤姆自言自语地说，这个世界毕竟不是那么空洞。

空心

1·He wants a hollow pumpkin lantern.

他想要一个空心南瓜灯。

2·A iron bar is solid; a pipe is hollow.

铁条是实心的，管子是空心的。《新英汉大辞典》

3·This pine tree looks tall and strong but actually its trunk is hollow.

这棵松树看起来又高又壮，但实际上它的树干是空心的。

4·Prometheus lit a torch from the chariot and put the fire in a hollow stalk that he concealed under his cloak.

普罗米修斯从战车上点燃一支火把，把火放在一根空心的茎里，藏在他的斗篷里。

5·These early electric guitars were hollow and these early amplifiers caused vibrations in the bodies of the instruments.

这些早期的电吉他是空心的，而且早期的这种扩音器会造成乐器器身产生振动。

中空

1·The dipping bird is a hollow glass figure which repeatedly dips its beak into a glass of water.

这只周期性用嘴蘸取玻璃杯中水的鸟其实是一只中空的玻璃塑像。

2·The large stinging hairs are hollow tubes with walls of silica making them into tiny glass needles.

这些大的刺毛是中空的管子，硅石构成其壁，使其扎入玻璃针孔中。

3·They share many skeletal features, such as hollow bones, as well as feathers and nest-building behaviors.

他们有许多相同的骨骼特征，例如中空的骨头，也都有羽毛和筑巢行为。

4·One example is that lipids spontaneously form liposomes, the hollow bilayered vesicles that must have yielded the cell membrane.

一个例子是脂质自发形成脂质体，这种中空双层囊泡必须让出细胞膜。

5·The physical core is crystallized in magnetic iron-nickel alloy-composite. The core is not hollow.

物质核心是磁性铁镍合金复合材料的结晶，其核心不是中空的。

空洞

1·He soon struck wood that sounded hollow.

他很快就敲到了声音空洞的木头。

2·He burst into laughter, not hollow laughter now, but honest laughter.

他突然大笑起来，不是空洞的假笑，而是货真价实的笑声。

3·Some ten minutes' hard work, and the point of the Rat's cudgel struck something that sounded hollow.

大约十分钟的工夫后，水鼠兰特的棍尖打在什么东西上，发出空洞的声音。

4·Beware of hollow promises.

谨防空洞的承诺。

5·She found her former ability to have degenerated to the production of a hollow rush of wind through the lips, and no clear note at all.

她发现她吹口哨的能力已经退化了，只能从撮起的嘴唇中吹出一阵阵空洞的风声，根本就吹不成清楚的音调。

空的

1·The tree trunk was hollow inside.

这树干里面是空的。《牛津词典》

2·Bamboo is light because it is hollow.

竹子很轻，因为它中间是空的。《新英汉大辞典》

3·This tree has been eaten hollow by worms.

这棵树被虫子蛀空了。《新英汉大辞典》

4·Whether the sound came from his head or from the hollow tree, that no one could say with certainty.

没有人能肯定地说，这声音是从他的脑袋里发出来的呢，还是从空树里发出来的呢？

5·It cannot be purchased with money. It is hollow and yet is what men fight for and what many women die for.

它不能用钱买到，面子是空的，但是许多男男女女为之奋斗甚至不惜牺牲生命。

洞

1·The squirrel disappeared into a hollow at the base of the tree.

松鼠钻进了树根处的一个洞。《牛津词典》

2·When they awoke the sun was high in the heavens, and shone brightly into the hollow tree, so they left their place of shelter and wandered away in search of water.

当他们醒来太阳已经高高的挂在天上了，灿烂的阳光照进了树洞，于是他们离开他们栖身的地方，走去找水喝。

3·At last, tired out with hunger and sorrow, and the long journey, they crept into a hollow tree, laid themselves down, and slept till morning.

最后，又累又饿又悲伤，走了这么远的路，他们爬进了一个树洞，躺下来，一直睡到了天亮。

4·He knew every crookand hollow and foothold in the tree.

他了解这棵树的每一处弯曲的部分，知道哪里有树洞，哪里可以立足。

5·When they awoke the sun was high in the heavens, and shone brightly into the hollow tree, so they left their place of shelter and wandered away in search of water. Oh, I am so thirsty!

当他们醒来太阳已经高高的挂在天上了，灿烂的阳光照进了树洞，于是他们离开他们栖身的地方，走去找水喝。

空虚

1·Would she turn coldly away like all the hollow world?

她会不会像这个空虚的世界一样，冷漠地调头不管？

2·Thus many in the industrial lands have a sense that their world of plenty is somehow hollow.

因此，许多工业国家的人会觉得，他们富足的世界在某种程度上是空虚的。

3·It was all over so quickly, she says. Then we went on honeymoon and all I remember feeling is hollow and exhausted, as if I had been in a fight.

“一切结束得太快了，”她说：“之后我们去度蜜月，但所有我能记得的感觉就是空虚、精疲力竭，好像我在和别人打架一样。”

4·I am trying so hard but feeling so lonely, so inadequate, so hollow.

我如此努力，可是却感觉如此的孤独、无力和空虚。

5·How dreary looked the forest-track that led backward to the settlement, where Hester Prynne must take up again the burden of her ignominy, and the minister the hollow mockery of his good name!

那通往居民区的林中小路看来有多么沉闷，一回到那居民区，海丝特·白兰就得重新负起她那耻辱的重荷，而牧师则要再次戴上他那好名声的空虚的面具！

空腹的

1·With the model and electric calculation method, it programmed for the calculation of hollow grounding device resistance.

根据电场计算方法和物理模型建立了空腹式接地装置的计算等效模型。

2·This paper analyzed the effect of shielding between hollow grounding devices and between hollow grounding device and ground grid.

并通过模拟试验分析了接地坑、自然水对降低空腹式接地装置的接地电阻的作用。

3·A new reinforced concrete structural system namely hollow huge-frame structures is brought forward.

提出了一种新的钢筋混凝土巨型框架体系-空腹巨型框架结构体系。

4·Each solar eclipse porridge a bowl, hollow when stomach is extremely delicate, and virtual porridge, help regulate diet intestines and stomach fitting for good solution.

每日食粥一大碗，空腹时胃较虚粥极细腻，与肠胃相宜，是调理饮食的好办法。

5·The author recommends a brand new long-span bridge structure in high intensity earthquake areas—consecutive box girder rigid frame bridge with hollow abdomen.

对于高烈度地震区大跨桥梁的设计推荐了一种全新的桥式方案——空腹式箱梁连续刚构，该结构是钢管桁架和预应力混凝土板的组合结构。

虚伪的

1·He becomes a sort of hollow, posing dummy, the conventionalized figure of a sahib.

他将成为某种虚伪的、装腔作势的傀儡，徒以老爷的身份示人耳。

2·Never have the summit rituals looked so hollow, for the G20 utterly failed to yield a solution to the eurozone crisis.

从来没有一次高级会议如此的虚伪，20过集团峰会并没能就欧元区危机达成解决方案真是一个极大的讽刺。

3·But if there is ever going to be a time to reorganise the incentive structure now must be it. A threat to quit will be pretty hollow, given the state of investment banking.

但是如果有足够的时间来改变这个现在必要的刺激结构的话，威胁辞职就显得十分虚伪了。

4·As old-fashioned, unnecessary and hollow as his principles may seem, 24 years is a long time to pretend you don't have a girlfriend.

或许这种原则看起来有些过时、毫无必要甚至虚伪，但24年假装没女友也绝非易事。

5·He was a hollow sham!

他是个虚伪的骗子！

凹

1·In the lab, scientists noticed that Pallas's long-tongued bats excelled at finding hollow hemisphere shapes hidden among artificial leaves.

在实验室研究中，科学家们注意到，帕拉斯长舌蝙蝠擅长发现人造叶子里隐藏的半球凹形的东西。

2·Other signs are inconstant, such as the presence of hollow feet, scoliosis , decrease of the auditive acuteness or diabetes.

其它症候变化较多，例如足部下凹、脊柱侧凸、听觉灵敏度的减退或者糖尿病的出现。

3·The clustered houses of the village peeped out from the woody hollow below.

村庄里团团簇簇的房屋，从林木葱笼的凹地中探出头来。

4·Before or tin plating nickel plating of bad contacts between the cathode, discharge sparks will melt into hollow copper hole.

镀镍前或锡电镀间的阴极接触不良，放电火花将铜材熔成凹洞。

5·Patrick hid in a hollow surrounded by bracken.

派翠克躲在围绕著欧洲蕨的一个凹地里。

(1)hollow fiber中空纤维

(1)hollow glass中空玻璃；凹窝载玻片

(1)hollow block空心块，空心砖

(1)hollow cylinder空心圆柱体

(1)hollow shaft管轴，空心轴

(1)hollow concrete空心混凝土；多孔混凝土；大孔隙混凝土