cobalt
n[U]
1 chemical element, a hard silvery-white metal used in many alloys 钴. =>App 10 见附录10.
2 deep-blue colouring matter made from compounds of this, used to colour glass and pottery 钴类颜料(深蓝色, 用於玻璃及陶瓷著色)
[attrib 作定语]
cobalt blue 钴蓝.
🗣️ 情景例句
Many business people turn off their pagers and cell phones during their leisure time.
许多商人在他们的休息时间里都把传呼机和移动电话关掉。
I feel younger than ever.
我觉得比以前年轻。
In cities he refused to travel in a rickshaw, a two-wheeled cart pulled by a bare-footed man.