Naphthoamide
萘甲酰胺
🗣️ 情景例句
Thanks.
谢谢。
Time works great changes.
时间能产生巨大的变化。
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。