Dacryolithus
[医] 泪[腺]石
🗣️ 情景例句
We communicate with each other by letter.
我们用书信彼此联系。
That's fine. What time do I have to be at the airport?
好的。我应该几时到达机场？
No, not that one. The red one.
不，不是那本。是那本红皮的。