Fluoroalkylpolysiloxane
氟烷基聚硅氧烷
🗣️ 情景例句
and I'll be proud to be part of it.
那时我会以成为家的一份子而自豪。
Swimming promotes health.
游泳有益健康。
This greatly reduced the speed of the ship,
这样一来，大大降低了船的航速。