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
Now for the hard part.
现在到了最难的部分。
We would appreciate it if you let us know whether you allow cash or trade discounts.
若能告知你方是否给现金折扣或商业折扣，将不胜感激。
Forty-two years later a tunnel was actually begun.
42年以后，隧道实际已经开始建了。