Underbought
underbuy的过去式和过去分词
🗣️ 情景例句
My day was just fine.
这一天还好。
I ought to think about it.
我应该再三考虑。
So was born the echo-sounding apparatus, now in general use in ships.
这样就产生了目前各种船舶上普遍应用的回声探测仪。