Radioactive carbon
[医] 放射性碳
🧩 词语组成解析
🗣️ 情景例句
Lacks courtesy is ill-mannered.
不礼貌，举止不当。
May I ask you for a dance?
可以请你跳支舞吗？
I think we just had a misunderstanding about the plan, but I was very disappointed not to be going out.
我想我们只是对于外出计划有误解罢了，不过没能外出我很失望。