Carbon 14
[化学]碳—14（放射性碳）
🧩 词语组成解析
fourteen
🗣️ 情景例句
Whatever you decide is all right with me.
不管你怎么决定我都会赞成的。
I'm cutting grass outside.
我在外面剪草。
He did not look up from his desk when I entered.
我进去的时候，他连头也没抬。