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?
UltraHD TVs, which have four times the resolution of normal HD TVs, are all over the place this year.
Ul traHD电视,其中有普通高清电视的四倍的分辨率,都在今年发生。
The structure control systems includes the dividing plate which have four work station, pneumatic system, machining working process.
结构上主要包括四工位分度盘、气动系统、加工流程的设计。
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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