Fluorosurfactant
[化] 含氟表面活性剂
🗣️ 情景例句
Give Mommy a kiss, Gerald. Nice! Gerald
亲一亲妈妈！很好！
When did you arrive?
你什么时候到达?
The self-discipline required to drag myself out of bed eleven minutes earlier than usual was considerable.
这就要求我比平时早11分钟把自己从床上拽起来，这种自我约束是很艰苦的。