coal-black

US /ˈkoʊl.blæk/
UK /ˈkoʊl.blæk/
"coal-black" picture
1.

乌黑, 漆黑

of the deepest black color; extremely dark

:
Her long, flowing hair was coal-black.
她那长长的、飘逸的头发乌黑发亮
The night sky was coal-black, with no moon visible.
夜空漆黑一片,没有月亮。