Echosounding
音响测深法
🗣️ 情景例句
How much do I owe you?
我应付你多少钱？
Whatever he does, don't say a word.
不管他做什么，你都不要讲话。
I really can't agree with you. I prefer science.
我真的不能同意你的看法。我更喜欢自然科学。