Cacothenics
[医] 种族退化学, 劣生学
🗣️ 情景例句
At 4, but I have to leave by 3:00 to get there on time.
四点，不过我三点必须离开，才能准时到那里。
The demand for our products has kept rising.
要求定购我们产品的人越来越多。
and that is one of the things the young are busily engaged in seeking.
这正是年轻人所热衷追求的。