Osy
abbr. optimum sustainable yield 最适宜可持续产量
🗣️ 情景例句
We are prepared for the worst.
我们已有最坏的打算。
Three removes are as bad as a fire.
三次搬家犹如一次失火。
The weeks passed and the grass grew.
几个星期过去了，草长了起来。