Designational expression
[计] 命名表达式
🧩 词语组成解析
[计] 命名的
🗣️ 情景例句
Not on our anniversary.
可不能在我们的结婚纪念日。
Then, all of a sudden, it became cloudy and began to rain.
可是突然天就变了，乌云密布并下起雨来。
When there is no one in the office, you can leave the answering machine on so that people who call you up can leave a message.
当无人在办公室时，你可以打开留言机，这样打电话给你的人就可以留言了。