C13
[医] 碳13, 天然同位素碳(原子量13)
🗣️ 情景例句
You're very lucky to have a caring family.
你很幸运有一个温馨的家庭。
I like football best.
我最喜欢足球。
We don't have enough material on hand to take care of this.
我们现在手边的存量不够你的订单。