Echosounding
音响测深法
🗣️ 情景例句
Do either of you have any reason
两位之中可有哪位因为某项原因
The smiles of a pretty woman are the tears of the purse.
美女的微笑就是钱包的泪水。
But don't forget your things early in the morning.
早上别忘了带上你的东西。