C13
[医] 碳13, 天然同位素碳(原子量13)
🗣️ 情景例句
It's good to meet you.
很高兴见到 。
I met one of the announcers over at the television station.
我在电视公司遇到一位播音员。
He gets back home at a quarter past five.
15回到家。