Hexafluoropropylene
[化] 六氟丙烯
🗣️ 情景例句
Sorry to disturb you again.
抱歉， 又来打扰你。
Meat is almost more precious than money!
肉贵得买不起了。
Sometimes a tame elephant is tethered nearby to give the wild one confidence,
有时，把一头已驯服的象拴在旁边能给野象以信心。