Alginate
藻酸盐
🗣️ 情景例句
Do you have smokers' toothpaste?
你这儿有吸烟者用的牙膏吗？
It's an honor to be speaking to you today.
今天跟你们说话至感荣幸。
Oh, hello, Bill. Yes, this is Ann's mother.
噢，你好，比尔。对，我就是安的母亲。