Radioactive cobalt
[医] 放射性钴
🧩 词语组成解析
n. 钴, 钴类颜料\\n[化] 钴Co
🗣️ 情景例句
Oh, really?
噢， 是吗？
A near friend is better than a far-dwelling kinsman.
远亲不如近邻。
Here you are, children.
拿着，孩子们。