Prophylaxis
n. 预防\\n[医] 预防
📖 牛津释义
prophylaxis
n[U]
(fml 文) preventive treatment against disease, etc （疾病等的）预防.
🗣️ 情景例句
Thanks, anyway.
不管怎样 我都得谢谢你。
I'll see what I can do.
我看一看能怎么办。
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。