Penicillus
笔毛动脉丛
🗣️ 情景例句
and then we'll use it to sell others.
然后我们再利用它来销售其他的。
I don't have the nerve to do it.
我没勇气去做。
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。