Echoranging
回声测距法
🗣️ 情景例句
but when I received the letter
但是当我收到那封信
I like to go to the movies when I feel in the mood for it.
我兴致高时喜欢看电影。
Hi, Sam. This is Mike. How are you?
喂，萨姆。我是迈克。你好吗？