center / middle

1. center 意为“中心”， 指供进行某种活用的中心

2. middle 意为“中央”， 强调的是一个点，习惯上指空间的“中央”，如圆、球的中心

全部

1·His middle name is Justin.

他的中间名叫朱斯丁。《柯林斯英汉双解大词典》

2·He was of middle height, thick-set.

他中等个头，身体壮实。《柯林斯英汉双解大词典》

3·Pens are kept in the middle drawer.

钢笔在中间那个抽屉里。《牛津词典》

4·The curtains don't meet in the middle.

这窗帘中间合不拢。《牛津词典》

5·I am sitting on the cusp of middle age.

我正处于中年。《柯林斯英汉双解大词典》

6·Men tend to put on weight in middle age.

男人到了中年体重往往会增加。《柯林斯英汉双解大词典》

7·He was standing in the middle of the room.

他站在屋子的中间。《牛津词典》

8·His fan base is mostly middle-aged ladies.

他的粉丝群主要是中年妇女。《柯林斯英汉双解大词典》

9·It landed smack in the middle of the carpet.

它正好落在地毯中央。《牛津词典》

10·All those people in the middle are dispensable.

那些在中间的人都是可有可无的。《柯林斯英汉双解大词典》

中间

1·His middle name is Justin.

他的中间名叫朱斯丁。《柯林斯英汉双解大词典》

2·Pens are kept in the middle drawer.

钢笔在中间那个抽屉里。《牛津词典》

3·He was standing in the middle of the room.

他站在屋子的中间。《牛津词典》

4·All those people in the middle are dispensable.

那些在中间的人都是可有可无的。《柯林斯英汉双解大词典》

5·The skill is in steering a middle course between the two extremes.

本领就在于避开这两个极端，走中间路线。《牛津词典》

中

1·About half of U.S jobs are at high risk of being automated, according to Oxford study, with the middle class disproportionately squeezed.

牛津大学的研究表明，美国的工作中约有一半处于被自动化替代的高风险中。

2·To attach the preparatory to the senior school these three classes were known officially, on speech days and in reports, as upper, middle, and lower second.

作为高中的预备班，在演讲日和报告中，这三个班被正式称为上、中、下二班。

3·Uveitic Glaucoma–Uveitis is swelling and inflammation of the uvea, the middle layer of the eye.

葡萄膜性青光眼—葡萄膜炎是指眼睛中膜葡萄膜的肿胀和炎症。

4·All of these companies find themselves in the middle of a revolution that few of them fully see yet.

很少有企业看清其全貌，但所有这些企业都知道，他们正处在一个变革的行列中。

5·The way you use the middle of your life has more influence on your end than the beginning.

你在生命的过程中怎样，决定了你的终点，要远大于生命的起点对终点的影响。

中部

1·Almiro's boat had sailed out to the middle of the bay to fish for mackerel.

阿尔米罗的船已驶向海湾中部去捕鲭鱼。《柯林斯英汉双解大词典》

2·I was in the middle of the Amazon with my wife, who was there as a medical researcher.

我和我的妻子在亚马逊河中部，她是一名医学研究员。

3·It's a rural state in the middle of America, which I don't know if you guys are familiar with.

这是美国中部的一个以乡村为主的州，我不知道你们是否熟悉。

4·It's a rural state in the middle of America, which I don't know if you guys are familiar with.

这是美国中部的一个以乡村为主的州，我不知道你们是否熟悉。

5·The massive structure stands in the middle of the North Sea, miles from land, but it is far from isolated.

大规模的建筑物远离大陆伫立在北海中部，不过这并不是说它是孤立的。

中等的

1·He was of middle height, thick-set.

他中等个头，身体壮实。《柯林斯英汉双解大词典》

2·By most measures, San Jose is no longer a place where low income, or even middle income families, can afford to live.

从大多数方面来看，圣何塞不再是低收入乃至中等收入家庭能住得起的地方了。

3·By the time Wilson left GM, almost half of all US families fell within the middle range of income. Most were headed not by professionals or executives but by skilled and semi-skilled factory workers.

到威尔逊离开通用汽车的时候，美国几乎一半的家庭都达到了中等收入水平，而多数一家之主并非专业人士或高管，而是技能娴熟和半熟练的工厂工人。

4·This means a larger percentage tax reduction for families with smaller taxable incomes, and specifically helps families in the middle income levels.

对于税前收入较低的家庭，这意味着更高的减税比率，这对中等收入水平的家庭帮助尤大。

5·He says all of the workers have high-school degrees and that the jobs pay a solid middle class wage.

他说所有的工人都有高中学历，而他们都能得到一份稳定的中等水平的工资。

中央

1·A car stood double-parked almost in the middle of the road.

一辆车并排停在路边另一辆车旁，几乎占据了路的中央。《牛津词典》

2·It was an island in the middle of the sea.

这是海中央的一个岛。

3·He dreamed he was in the middle of a field.

他梦见自己在一片田野的中央。

4·I saw another stop, a shelter in the middle of the open country.

我看到了另一个车站，一个在旷野中央的避难所。

5·The road appears today to go nowhere, ending in the middle of the desert.

今天看来，这条路哪儿也通不了，终点就是沙漠中央。

中心

1·They didn't know why, but then again, the middle of the globe is perhaps the most difficult place to gather data on Earth.

斯利普说，他们不知道原因，但是地球的中心仍是我们这个星球最难获得数据的地方。

2·Although Grodd now runs a site that lets educators share lesson plans, he started out teaching at inner-city middle schools in Atlanta and Boston.

尽管格洛德现在经营着一个网站，让教育工作者在那里分享课件，他开始时却是在亚特兰大和波士顿的中心学校任教。

3·It's authentic, an organic village in the middle of the city, where the people are friendly and fascinating.

它是真实的，一个城市中心的有机村落，这里人们友好并有趣。

4·This core sits in the middle of the containment.

这个核心位于容量的中心。

5·Is it on an island in the middle of the ocean?

是否在海洋中心的岛屿上？

中级的

1·In Hungary, as in much of Eastern Europe, an overwhelming proportion of women work, many of which are in middle management and light industry.

在匈牙利，和许多东欧国家一样，绝大多数妇女从事工作，其中许多人从事中级管理和轻工业工作。

2·Women who apply for jobs in middle or senior management have a higher success rate than men, according to an employment survey.

女人比男人在申请中级或是高级的管理职位时有较高的成功比率，根据一个雇用调查。

3·If a name is declared global, then all references and assignments go directly to the middle scope containing the module's global names.

如果一个命名声明为全局的，那么所有的赋值和引用都直接针对包含模全局命名的中级作用域。

4·All the rank and file and middle and senior management team are locals.

所有的头衔和文件以及中级和高级管理团队都是本地的。

5·They often discuss basic office principles, which are relevant for staff working under the middle management level.

他们经常讨论基本的办公室原则，这些原则与在中级管理层下工作的职工相关。

当中的

1·It was a brave decision to change tack in the middle of the project.

在项目进行过程当中改变方针是个大胆的决定。《牛津词典》

2·The current is swiftest in the middle of the river.

河当中水流最急。《新英汉大辞典》

3·On the 7:45 bus that stops across the street, he leaves his briefcase next to the driver and finds a seat in the middle of a pack of bored teenagers.

在街对面停靠的7：45那班公共汽车上，他把公文包放在司机身旁，在一群没精打采的十几岁的孩子当中找了个位子坐下。

4·How can you stop this pattern once and for all, especially in the middle of summer social activities?

你怎样才能一劳永逸地打破这种僵局，尤其是在盛夏数不胜数的社交活动聚会当中保持冷静呢？

5·The revolving door whooshes again, and you are back in the middle of the broken (and breaking) relationship.

旋转门又启动了，把你拽会一段破碎（或即将破碎）的关系当中。

正中

1·Large, dense cataracts present from birth in the middle of the lens that affect only one eye are more likely to cause permanent vision loss.

若白内障较大而致密，且位于一侧眼球的晶体正中，这种情况更容易造成永久性的视力丧失。

2·For those times when grace is lacking and you fall flat on your face in the middle of a room, the true test of your femininity is your ability to laugh it off!

在那些欠缺优雅的场合，你可能站在房间正中面对尴尬的场景，这时最好的女人味就是能够对此一笑置之。

3·If I was a stepping stone in the middle of the bridge, he would bump into me and I can touch him!

如果我被铺在桥的正中，就能碰到他、摸他一下了！

4·Results The middle line through ANS and perpendicular to zygomaticofrontal line has less mean of middle structure index and side middle structure index.

结果以过ANS点垂直于两侧颧额点连线的直线为面中线，其正中结构指数和侧方结构指数均值较小。

5·We repeated the scan at 20th week and the fetus had normal movements but in the three vessel view, we saw an U image with trachea and esophagus in the middle.

在孕20周时复查发现胎儿运动正常，但在三血管切面看到“U”型图像，气管和食道位于正中。

(1)in the middle在中间；在中部

(1)in the middle of在…中间

(1)middle schooln. 中学

(1)middle east中东（一般泛指欧，亚，非三大洲连接的地区）

(1)middle class中产阶级

(1)middle part中部地区