Hdx
[计] 半双工
🗣️ 情景例句
I was very sad indeed to hear about it.
听了这件事，我的确非常难过。
Yes, but I don't want go downtown.
是的，但是我不希望上街。
When the grace peroid expires, the contract is annulled.
当这个宽限期届满，你仍未执行合同的话，该合同就终止了。