Haloport f
一种聚四氟乙烯载体
🗣️ 情景例句
I'm sorry to say this, but there seems to be a mistake.
对不起，这儿好像有个错。
I think it's going to take too much time.
我认为它将花太多时间。
Good morning, Mr. Zhang. I'm sorry to trouble you.
早上好，张先生。很抱歉打扰您。