Dacryolithus
[医] 泪[腺]石
🗣️ 情景例句
You have been working on this for some time, Richard.
你从事这工作已有一段时间了， Richard。
would you mind if I borrowed your car?
我想借用一下你的汽车可以吗？
This is Mr Green's room.
这是格林先生的房间。