The 80-minute recording shows police officers milling in the hallway while a gunman continued firing inside of a classroom.

这段 80 分钟的录像显示，当一名枪手在教室内继续射击时，警察在走廊上踱步。

The Acropolis was crowded with tourists milling about in their respective groups.

雅典卫城挤满了成群结队的游客。

Crowds of students were milling around in the street.

【mill】一群群的学生在街上转来转去。

How could I be such an open book to him when, half the time, I had no idea what was milling around in his head?

我对他脑海盘桓的念头常常一无所知，可是我在他面前怎么就像一本打开的书？

So the people who loved it were like a custom-made group of people who could not possibly have interests more tailored to Tamsyn's own brain, all milling around in one spot.

所以喜欢它的人就像是一群定制的人， 他们不可能有更适合谭森自己大脑的兴趣，都在一个地方闲逛。