Perfluorotripropylamine
全氟三丙烷
🗣️ 情景例句
Will you excuse me?
我失陪了
Birds of a feather flock together.
物以类聚，人以群分。
Everybody here is busy getting ready for it and buying Christmas presents.
这里的每一个人都在忙于为圣诞节做准备和忙于购买圣诞节礼物。