Hdx
[计] 半双工
🗣️ 情景例句
It's OK. I'm sure they meant well,
没有关 。我敢说他们有心帮忙
Congratulations on your having passed the test.
我恭喜你通过了考试。
How did Mary make all of her money?
玛丽所有的钱是怎么赚到的？