Smokometer
烟密度计, 烟尘计
🗣️ 情景例句
In the meantime, what would you like?
对了， 你想要点什么？
I'm sorry, but she won't have any openings until 11:00, unless there's a cancellation.
对不起，除非有预约取消，11点以前她没有空。
Then it turned in a semicircle, ran straight again, and turned in another semicircle to the opposite side.
然后转一个半圈，再沿直线飞，再朝反方向转个半圈。