Cobalt dioxide
[化] 二氧化钴
🧩 词语组成解析
n. 钴, 钴类颜料\\n[化] 钴Co
🗣️ 情景例句
What do you often do in your spare time?
你在业余时间都干些啥？
Home is home, though never so homely.
不如归去。
Give me a hand!
帮帮我！