Lignans
木脂素类
🗣️ 情景例句
What do you mean?
你是什么意思？
Do you mind my smoking?
你介意我抽烟吗？
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。