Cobalt
n. 钴, 钴类颜料\\n[化] 钴Co
📖 牛津释义
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
This is fun.
很有意思。
It's not four o'clock.
还没到四点呢。
Lucy ran home at once. Her mother saw her when she arrived.
露西马上跑回家。到家时母亲看见了她。