C'
[医] 醚溶酸系数
🗣️ 情景例句
Notices are displayed on the bus asking people not to smoke.
公共汽车上张贴着请勿吸烟的公告。
It's out of the question.
这是不可能的。
Good morning. Could I have some bottles of milk, please?
早上好。我想买几瓶牛奶？