C14
[医] 碳14, 放射性同位素碳(原子量14)
🗣️ 情景例句
Sorry, I couldn't help overhearing, did you mention something about...
对不起，我无意中听到你们的谈话，你们是不是提到...
Can you keep an eye on my bag?
帮我看一下包好吗？
After the funeral, Joe and Bob revealed a secret which they had kept for over fifty years.
葬礼之后，乔和鲍勃透露了他们保守了长达50多年的秘密。