C13
[医] 碳13, 天然同位素碳(原子量13)
🗣️ 情景例句
That's nice.
很好。
What time does it get in?
什么时候到达那里？
The officer unscrewed the cap and put the bottle to his nostrils.
海关官员拧开瓶盖，把瓶子放到鼻子底下。