Irc
国际红十字会\\n[计] Internet交互式闲聊程序
🗣️ 情景例句
In addition, it's great exercise too, since we do a lot of hiking.
还有，那也是个好的运动，因为我们要长距离徒步旅行。
I had lunch with a friend of mine.
我和我的一个朋友一块吃了午饭。
and by measuring the time interval between the taps and the receipt of the echoes, the depth of the sea at that point can be calculated.
测出回声间隔的时间，便可算出该处海洋的深度。