Teacher: Tom, can you tell me two animals which have four legs?
老师:汤姆,你能告诉我两个四条腿的动物吗?
Developed a feeding nozzle which have four double-feeding pipes with co-axial shaping gas distributes on circle orientation of laser beam with uniformity and symmetry.
研制了一种在以激光束为中心轴的圆周方向均匀对称分布四个具有同轴汇聚气的双层送粉管的送粉喷嘴。
You'll have four months in which to lick the recruits into shape.
你将有4个月的时间练就这些新兵。
Americans spend the most time out of any other people in the world volunteering in average four hours a week, volunteering outside their job which may also have a social objective more than any other people in the world.
比其他任何人所花的时间都多,平均每周有四个小时做志愿者的工作,做与自身工作无关的善事,他们比世界上其他人更具社会目标。
and then you also have the smaller, you know like, three or four-story homes which one family may occupy.
然后你也有那种小一些的,只有三四层楼的,一个家庭就可以占据的房子。
Pauli So, here, Pauli came out on top, we say, and he's known for the Pauli exclusion principle, which tells us that no two electrons in the same atom can have the same four quantum numbers.
在这里是,他因为Pauli不相容原理而出名,这个原理是说同一个原子中的两个电子,不能有相同的第四量子数。
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