Relogging
回头採
🗣️ 情景例句
My dear little boy just looked up at me as if to say,
我亲爱的小男孩只是仰头看着我 ，好像在说，
Keep that in mind.
记住那件事。
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。