Fluoroalkylpolysiloxane
氟烷基聚硅氧烷
🗣️ 情景例句
Excuse the mess. I just moved here.
请不要介意这里乱得很 我刚刚搬来住。
Can I take a rain check?
你能改天再请我吗？
Excuse me. What's the time, please?
对不起，请问几点了？