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
Please take your places.
请大家就座。
By falling we learn to go safely.
吃一堑，长一智。
Then wait until the fire is out.
然后，等火熄灭。