Perfluorotributylamine
[化] 全氟三丁胺
🗣️ 情景例句
Smoking makes your teeth yellow and ugly.
吸烟让你的牙齿变得又黄又丑。
At this time of the year farmers plow their fields.
在一年这时候农夫们耕作他们的土地。
we can start any time you're ready.
只要你准备好了，我们随时可以开始。