Graphite is a soft black substance.

石墨是一种软而黑的物质。

youdao

Soft black material on outer surface for comfort and a firm grip.

黑色柔软外层，使用舒适，握持稳当。

youdao

There was the dust of the fields upon the woman's hair and upon the child's soft black head.

女人头上和娃娃那软软的黑发都吹满了田野的土星星。

youdao

It let out a long, soft cry to the cold stars in the black sky.

VOA: special.2010.05.01

It takes seven or eight hours and strong legs to hike the whole crossing, past ice-blue crater lakes, over snow-covered ridges and through windswept mountain deserts, where totara trees cling to the soft black volcanic sand.

BBC: A return to Middle-earth

Behind his wire-rimmed glasses, his eyes were soft-black, sombre.

NEWYORKER: I.D.

And, for the eye, the speakers' outer shells are wrapped in soft white or black leatherette.

ENGADGET: NuForce launches $300 Bluetooth 4.0 bookshelf speakers, promises to please audiophiles