I.u.
[医] 免疫单位
🏥 医学释义
国际单位
🗣️ 情景例句
are important for the sales of your book.
对于你这本书的销售很重要。
Doesn't matter what you say.
说了也没用。
Which number do I need, please?
请问我需乘哪路车？