C13
[医] 碳13, 天然同位素碳(原子量13)
🗣️ 情景例句
You'll be glad to hear that Bill is alive and kicking.
比尔现在精神饱满，你听了一定很高兴。
I met her last Sunday.
我上个星期日遇见她。
Er, this is Lucy, and er, this is Lily.
这个是露茜，这个是莉莉。