Cobalt 60
n. 钴的放射性同位素, 钴60
🧩 词语组成解析
n. 钴, 钴类颜料\\n[化] 钴Co
sixty
🗣️ 情景例句
Oh yes, the May Fourth Movement. I've read about it.
哦，是的，五四运动，我听说过。
A ready way to lose friend is to lend him money.
失友都因借钱起。
Our vicar is always raising money for one cause or another,
我们教区的牧师总是为各种各样的事筹集资金。