cobalt

鈷化學

Most electric car batteries still rely on cobalt from a few countries.

多數電動車電池仍依賴少數幾個國家出產的鈷。

鈷藍、深藍

She painted the kitchen wall a deep cobalt that brightened the room.

她把廚房牆面漆成深鈷藍，讓整個空間亮了起來。

鈷藍色的、深藍色的

He wore a cobalt shirt with pale gray trousers.

他穿了一件鈷藍色襯衫，搭配淺灰色長褲。