Sodar
[电] 声音检波和定域
🗣️ 情景例句
I would like to send this by registered mail, please.
我想把这封信挂号寄出。
Nice to see you, my old friend.
真高兴见到你，我的老朋友。
To be honest with you，I'm twenty.
老实说，我20岁。