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
Can I buy you a drink?
我能为你买杯酒吗？
Her job is beginning to get her down.
她开始对工作感到厌倦了。
Boy, I'm really glad to hear that.
哇，听了真叫人高兴。