C14
[医] 碳14, 放射性同位素碳(原子量14)
🗣️ 情景例句
but my work keeps me busy.
但我老是忙于工作。
The school awarded Merry a prize for her good work).
学校因为她工作好而奖励了梅丽。
Its origin is still a mystery now.
它的起源至今仍是个谜。