Underdense
欠密的
🗣️ 情景例句
How can I get in touch with you?
我怎样和你联系呢？
I want to apologize.Is there anything I can do?
我要道歉。我能想点什么办法吗？
Sorry, I can't. I have to tidy my room.
对不起，我不能去。我得收拾房间。