Subminitimer
[计] 超小型计时器
🗣️ 情景例句
I take your point.
我同意你的观点。
I'm receiving guests downstairs.
我在楼下接见客人。
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。