Polyfluocarbon
[化] 多氟烃
🗣️ 情景例句
By the way, how is your wife doing, Harrison?
顺便问一下，贵夫人近来可好吗？
Catch the bear before you sell his skin.
大事未成时，莫开庆功宴。
Oh, that's my sister, Kate. Come here, Kate. I can see you.
哦，是我妹妹。凯特。过来凯特，我看见你了。