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
This weekend I'm going to install a home security system.
这个周末我要装一套家庭保安系统。
A duck will not always dabble in the same gutter.
一只鸭子不会常在同一条沟中玩水。
When they had gone, the driver of the car came towards him.
他们走后，汽车司机向他走来，