Perfluoroallene
[化] 全氟丙二烯
🗣️ 情景例句
The leader takes the first ten cards
指挥拿出上面的十张牌，
Let's go. I'll buy you a drink.
走，我请你喝一杯！
Of course, Father Christmas isn't real.
当然，圣诞老人并不是真的。