Cobalt-60
[化] 放射性钴; 钴60
🧩 词语组成解析
n. 钴, 钴类颜料\\n[化] 钴Co
sixty
🗣️ 情景例句
Bye-bye. It's all set. I'm going.
再见。都安排好了。我现在就去。
The man is surveying land for a national park.
这个人正在测量国家公园的土地
The development of films with sound became a problem for Chaplin.
有声电影的研制对卓别林来说就成了问题。