F-12
[医] 氟利昂十二, 二氯二氟甲烷
🏥 医学释义
氟利昂12，二氯二氟甲烷
🧩 词语组成解析
twelve
🗣️ 情景例句
You sound excited about Columbia.
听起来你对Columbia大学跃跃欲试。
Again.
又来了！
He then changed into overalls and spent the next eight hours as a dustman.
然后换上工作服，当8个小时清洁工。