Fluorocarbon-14
[建] 四氯化碳
🧩 词语组成解析
[建] 碳氟化合物
fourteen
🗣️ 情景例句
You've been a very helpful.
你帮了大忙。
Hope is but the dream of those that wake.
希望是清醒者的梦想。
How do you want your steak?
你的牛排要几分熟？