C13
[医] 碳13, 天然同位素碳(原子量13)
🗣️ 情景例句
I'm going to miss all of you.
我会想念你们大家的。
What youth is used to, age remembers.
青年时经常做的事，老年时却能记得起。
Sometimes a tame elephant is tethered nearby to give the wild one confidence,
有时，把一头已驯服的象拴在旁边能给野象以信心。