Chkstate
检查状态
🗣️ 情景例句
I certainly can print the news.
我当然可以刊出这则新闻。
May I come in?
我能进来吗？
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。