Sizeof
n. 运算符；大小
🗣️ 情景例句
It's interesting.
很有趣。
I'm sorry, but she won't have any openings until 11:00, unless there's a cancellation.
对不起，除非有预约取消，11点以前她没有空。
'Would you mind unlocking this suitcase please?'
“请打开这只手提箱好吗？”