“后脑勺的眼睛”描述的是注意周围发生的一切的能力。

"Eyes in the back of your head" describes the ability to notice everything happening around you.

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自行车骑行者必须注意周围的交通状况，了解交通信号。

Bicycle riders must pay attention to the traffic around them and know traffic signals.

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对丑女孩来说，她并没有注意周围的嫉妒。

As to the ugly girl, she didn't notice all the jealousy.

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He's trying to put eight electrons around helium, and it isn't working. But look down here.

他尝试把8个电子放在氦的周围，但那不行，但注意到这里。

麻省理工公开课 - 固态化学导论课程节选