Monaural recorder
[电] 单耳记录器
🧩 词语组成解析
a. 单耳的, 非声道的\\n[医] 单耳的
🗣️ 情景例句
It's no use crying over spilt milk. What's done cannot be undone.
覆水难收。
I dropped the letter in the mailbox on the corner.
我把信放到角落上的邮箱里。
Let us do it by ourselves，will you?
我们自己做这件事，可以吗？