hole/cave/cavity/grotto.导航词义：洞，穴

1. hole:n. 洞，穴.普通用词，泛指固体物中的空间或某物可穿过的空间。

There was a small hole in the road.

路上有个小坑。

The explosion tore a hole in the wall.

墙被炸出一个洞。

A mole dug a hole near the wall.

鼹鼠在墙边打了一个洞。

2. cave:n. 洞穴.指较大的天然洞窟，如山洞、岩洞等，也可指人造的窑洞。

The cliffs are riddled with caves.

岩壁上布满洞穴。

The entry of the cave was hidden by trees.

洞穴的入口被树丛遮掩。

3. cavity:n. 洞，空穴，腔.比 hole 正式，指实体内或表面的空洞或空腔。

That is actually a cavity in the earth.

那其实是一个地下洞穴。

There is a cavity in one of my teeth.

我的一颗牙齿上有个蛀洞。

The heart is located roughly in the center of the chest cavity.

心脏大致位于胸腔的中央。

4. grotto:n. 洞穴，石室.指较小的、吸引人的洞穴、岩穴、石窟等，可以是天然的，也可以是人工开凿的。

The grotto is not accessible at present.

该石窟目前不可进入。

He found a beautiful grotto, whose entrance was hidden by vines.

他发现了一个漂亮的洞穴，入口被藤蔓遮掩着。

全部

1·The guide flashed a light into the cave.

导游用手电筒照射洞穴。《牛津词典》

2·The climbers took cover from the storm in a cave.

登山运动员在山洞里躲避暴风雨。《牛津词典》

3·Images of deer and hunters decorate the cave walls.

洞穴壁上装饰着鹿和猎人的画像。《牛津词典》

4·Both boats purred out of the cave mouth and into open water.

两条小船翁翁地驶出洞口，到了开阔的水面上。《柯林斯英汉双解大词典》

5·U.S. troops surprised eight enemy fighters in a cave complex.

美国军队在一个洞穴群里出其不意地抓获了8名敌军士兵。《柯林斯英汉双解大词典》

6·Outside the cave mouth the blackness of night was like a curtain.

洞口外面，漆黑的夜晚宛如一块幕布。《柯林斯英汉双解大词典》

7·The President is unlikely to cave in to demands for a public inquiry.

总统未必会屈服而同意进行公开调查。《牛津词典》

8·Heedless of time or any other consideration, they began to search the underwater cave.

他们根本没考虑时间或任何其他因素就开始寻找水下洞穴了。《柯林斯英汉双解大词典》

9·How did you get in that cave?

你是怎么进到那个洞里的？

10·Who is running towards his cave?

谁正朝他的洞穴跑去？

洞穴

1·Images of deer and hunters decorate the cave walls.

洞穴壁上装饰着鹿和猎人的画像。《牛津词典》

2·U.S. troops surprised eight enemy fighters in a cave complex.

美国军队在一个洞穴群里出其不意地抓获了8名敌军士兵。《柯林斯英汉双解大词典》

3·At night, the bats leave their cave.

天黑时，蝙蝠离开它们的洞穴。

4·Who is running towards his cave?

谁正朝他的洞穴跑去？

5·It's the deepest limestone cave in the U.S.

它是美国最深的石灰岩洞穴。

山洞

1·Look, Michael, there's your cave!

看，迈克尔，那是你的山洞！

2·No man knew the cave.

没有人知道这个山洞。

3·Tom Sawyer knew as much of the cave as any one.

汤姆·索亚对这个山洞的熟悉程度不亚于任何人。

4·This opening led to a cave, so they decided to have a look around it.

这个洞口通向一个山洞，所以他们决定去看看。

5·Suddenly, a large Dog, attracted by the odor of the boiling oil, came running into the cave.

突然，一只大狗被煮沸的油的气味吸引过来，跑进了山洞。

岩洞

1·Perhaps so much time has passed that there will never be satisfactory answers to the cave images, but their mystique only adds to their importance.

或许因为时间太过于久远，以至于对于这些岩洞壁画的解释，我们可能永远都无法找到令人满意的答案，但是它们的神秘感反而增加了其重要性。

2·All the stones are smooth and round, telling an endless of history of water steadily forming and reforming the cave's interior.

所有的石头都十分圆滑，这是水长年累月对岩洞内部不断冲击和打磨的结果。

3·It was formed as a limestone cave during the glacial period.

它是于冰河时期形成的石灰岩洞。

4·He could see the cave now, even darker in the morning light.

他现在能看见岩洞了，在晨曦中显得更加幽暗。

5·Armed with the new machine, a search party went into the cave hoping to find buried treasure.

一支用这种新机器装备起来的探宝队进入了这个岩洞，希望找到埋藏着的金子。

屈服

1·Firms will haggle, but eventually cave — they need the cash.

企业将讨价还价，但最终会屈服——它们需要钱。

2·And the reason Republicans are doing this is because they must believe that it will work: Mr. Obama caved in over tax cuts, and they expect him to cave again.

共和党之所以这样做，就是因为他们肯定相信这样做行得通：在税收削减问题上，奥巴马先生屈服了，估计他还会屈服。

3·It is easy to see why Oracle has refused to cave in, despite the fact that Sun is continuing to lose business.

这就很容易明白为什么尽管Sun公司仍在流失客户，甲骨文拒绝屈服的原因了。

4·They know you don't the resources to fight them and most likely will cave to their demands.

他们知道你没有资源和他们斗，很可能会屈服于他们的要求。

5·For example, it could cave in to pressure from Wall Street to produce fast short-term gains at the expense of sticking to its strategy.

比如它可能会屈服于来自华尔街的压力，为了眼前的利益而牺牲长远的战略决策。

穴

1·Once they found remains of the cave lion in this cave. So, the cave was named after it.

一发现此洞里存留的穴狮，这个洞穴就是以此命名的。

2·In 2005, two teams worked together to sequence 27,000 bases of ancient cave bear DNA.

2005年，两个小组共同协作对古生代穴熊的2.7万个DNA碱基进行了排序。

3·They confront boiling lava pits, hidden ice cave, cold weather, and a secret, even evil conspiracy.

他们勇敢地面对沸腾的熔岩坑、暗藏的冰穴、严寒的天气，以及一个秘密，甚至是邪恶的阴谋。

4·Paleaokarst might be classified, paternally as karst trace, karst cave, karst pore and cave, vertically as surface karst belt, seepage flow karst belt and underflow karst belt.

从形态上可将岩溶分为溶痕、溶穴、溶隙和洞穴，在垂向上可划分为地表岩溶带、渗流岩溶带和潜流岩溶带。

5·This paper analyses on the features and causes of the wear and cave - like corrosion on diesel motor's wet cylinder liner, and puts forward some corresponding preventive measures.

分析了柴油发动机湿式气缸套磨损及穴蚀的特点和原因，提出了相应的预防措施。

窟

1·I love the mountainous majesty of Huashan, I love West Lake, I love the darker; more beautiful thousand mountain cave. But I love the sea change unpredictably.

我爱峰峦雄伟的华山，我爱水平如镜的西湖；我还爱秀丽无比的万窟山。但我更爱那变幻莫测的大海。

2·It's the largest rock cave in Yunnan.

是云南所有石刻中最大的一窟。

3·Illustrations to the West Paradise, Tang dynasty, cave fresco, cave 217, Mogao Grottoes, Dunhuang.

西方净土变(局部)，唐，石窟壁画，敦煌莫高窟第217窟。

4·The article reports impersonally the cave 1034 at Longmen Grottoes, discuss the brief history of the cave and affirm the subject matter of some statues.

本文通过对龙门石窟1034窟的客观报告，探讨了洞窟的开凿简史，并对一些造像题材加以确认。

5·Lot's of researchers believe that those paintings and the structure, which was made by those paintings in the Central-pillar cave, reflected that the monks of the Sarvastivadins apotheosized Buddha S.

许多学者认为克孜尔中心柱窟图像构成是小乘说一切有部一佛一菩萨（弥勒）崇拜的反映。

凹陷

1·The scar tissue is can play a certain role of filling defect, but also can be to pull within normal skin and lead to the skin su ce appears cave.

这种疤痕组织虽能起到一定的填充缺损作用，但也会将正常皮肤向内牵拉从而导致皮肤表面出现凹陷。

2·Another kind is to happen in the new student be born 2-3 Queen of heaven just is formed apparently stage by stage, feel with the hand also feel soft, but oppress with finger without cave appear.

另一种是发生在新生儿出生2 - 3天后才逐步明显形成，用手摸也感到柔软，但用手指压迫无凹陷出现。

岩穴

1·Fears we've hidden in, like this wretched cave.

我们躲藏于其中的恐惧，一如这令人沮丧的岩穴。

(1)cave in塌落；认输

(1)karst cave岩溶洞

(1)cave dwelling窑洞

(1)limestone cave灰岩洞，石灰岩洞

(1)reed flute cave芦笛岩

(1)rock cave岩洞