Collimating
[计] 准直的
🗣️ 情景例句
Oh yes, the May Fourth Movement. I've read about it.
哦，是的，五四运动，我听说过。
I'm the best girl in my class.
我是我的班级中最好的女孩。
Because the Moon has only an eightieth of the Earth's mass,
因为月球的重量只有地球的1/8，