C13
[医] 碳13, 天然同位素碳(原子量13)
🗣️ 情景例句
Robbie went to pick up the clip-on bow ties.
Robbie去拿夹上去的领结。
Knavery may serve, but honestyis best.
欺诈可能得计，但诚实总是上策。
If I get there early, I can see the doctor quickly, she thought.
“早到就能早看医生，”她想。