Ponogena
疲劳素
🗣️ 情景例句
He married a classmate from high school.
他与高中时代的同班同学结婚。
I can hardly wait to see the new comet.
我急不可待地要见到新彗星的出现。
In that case, we wouldn't have it in stock.
如果是这样，我们库存不会有。