Cactine
[化] 仙影拳碱
🗣️ 情景例句
I don't want my tonsils out.
我不想切除扁桃腺。
I've got a pain in my throat.
我的喉咙痛。
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。