By what dim shore of the ink-black river, by what far edge of the frowning forest, through what mazy depth of gloom art thou threading thy course to come to me, my friend?

你是从墨黑的河岸上，从远处愁楚的树林边，穿过昏暗迂回的曲径，磕磕绊绊来到我身边的吗，我的朋友？

youdao

A black stream of ink flowed across the length of the room.

一股黑色的墨水流遍了整个房间。

youdao

The letter was handwritten in black ink.

这封信是用黑墨水手写的。

《柯林斯英汉双解大词典》

Remember, you may be a supply clerk, the kind who couldn't remember whether you ordered pens with blue ink or black ink -- but you can be a god for ten minutes when you make your own soda.

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With no access to colored inks, prisoners use watered-down black ink to create shadows and depth a technique called "fine-line" tattooing.

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They then turned the pages upside down and wrote over the ancient text in jet-black ink.

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