Gray cobalt
[化] 辉钴矿; 辉砷钴矿
🧩 词语组成解析
gray
[ɡre]
n. 灰色;灰马;灰色颜料;暗淡的光线;
adj. 灰色的;灰白头发的;阴暗的;（指脸因恐惧、生病等）苍白的;
v. （使）变灰色;
vi. 成为灰色或灰白;
n. 钴, 钴类颜料\\n[化] 钴Co
🗣️ 情景例句
where would you choose to spend our anniversary?
会选哪里去度我们的结婚周年纪念日
I'm afraid not. She doesn't have any openings in the morning.
恐怕不行。上午她没有空。
We need to make some changes in this contract.
这份契约有几个地方需要修改。