Unfrequent
a. 不常发生的,不常见的
✅ 同义词
🗣️ 情景例句
It leaves at 5:20.
五点二十分开。
I feel terrible about it.
太对不起了。
In my letter, I told her that she could stay with us.
我在信中告诉她，她可以和我们住在一起。