中垒，读音是zhōng lěi，汉语词语，意思是古时一种职位。出自《送李宾客荆南迎亲》。
比赛中首先到达二垒的跑垒员是约翰•弗莱厄蒂。
The first runner to reach second base in the game was John Flaherty.
在他的一生中，我从来没有看到夏恩跑得那样快，他竟然跑到了一垒。
Never in his life had Shay ever run that far, but he made it to first base.
金属中的电子必须克服这个势垒层才能进入半导体。
Electrons from the metal will have to surmount the potential barrier to enter the semiconductor.
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