Serline
联机期刊目录
🗣️ 情景例句
I had a good time today, Robbie.
我今天玩得很开心， Robbie。
A good name is better than riches.
好名誉胜过有财富。
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。