center单词相关例句：

If you hit the center pin just right, you can knock them all down.
如果你刚好击中中心，你能把他们全部撞倒。

The man aims at the center of the target.
这个男士瞄准了靶子的中心。

The White House is the president's home and the center of the US government.
白宫是总统的住所同时也是美国政府的中心。

I succeeded in shooting three arrows in the center of the target.
我成功的把三支箭都射中靶心了。

Put those flowers in the center of the table, please.

请把这些花放在桌子中央。

There is a shuttle service between the city center and the air station.

在市中心和飞机场之间有往返的穿梭运行班车。

There is a central vein in the center of the medulla.

髓质中央有一大的静脉，称中央静脉。

The center of the sun is exceedingly hot.

太阳的中心极其热。

This is the ninth year the Albany Medical Center Prize has been awarded.

这是第九届奥尔巴尼医学中心奖。

It is difficult to say what is the real center of London, but many people would choose Piccadilly Circus.

很难说，伦敦的中心到底是哪里，但是，很多人都愿意选择皮卡迪里广场。

middle单词相关例句：
A middle course is the safest. 中庸之道最保险。
A lot of oil comes from the Middle East.
很多石油来自于中东。

I would love to go on holiday to a small island in the middle of the sea.
我想去大海中间的小岛度假。

Everybody was pretty angry, but the guy in the middle was especially angry!
每个人都很愤怒，但是站在中间那家伙火气尤其大。

There was only one cloud in the middle of the blue sky.
蓝天中只有一朵云。

Wednesday is in the middle of the week.
星期三是一周中间的那天。

The lavatory in the middle is for the disabled.
中间的厕所是给残疾人用的。

He is a Moslem from a Middle Eastern country.
他是个来自中东某国家的穆斯林。

Germany is located in the middle of Europe.
德国位于欧洲中部。

Dear Concerned in Springfield, She should give him a middle name after a favourite uncle and deep-six (bury) the Marion when he starts school, or the poor kid will be mistakenly assigned to girls gym

亲爱的斯普林菲尔德的忧虑者：你姐姐应该以她最喜欢的一位叔叔的名字给她儿子取一个中间名，等他上学后就不要再用“玛丽安”这个名字了；否则�