Yes, it's black but not exactly plain black—it has some narrow stripes down it, sort of grey.

是的，它是黑色的，但不完全是纯黑色，它有一些窄条纹，有点灰色。

youdao

All of my socks and underwear are plain and mostly black.

我所有的袜子和内衣都是纯色而且大部分是黑色的。

youdao

The fertile black soil of the Northeast Plain is ideal for growing wheat, corn, sorghum, soybeans, flax and sugar beets.

东北平原大部分是黑色沃土，盛产小麦、玉米、大豆、高粱、亚麻和甜菜。

youdao

His body was carried in a plain black coffin and placed in a large stone grave.

BBC: Ferrer was buried in a simple black coffin

There are also highly colored vestments for African priests and plain black favored by Poland's local Catholic priests.

CNN: May 25, 2012 -- Updated 0815 GMT (1615 HKT)

Honda have been testing over the winter in a plain black car and will complete their final sessions in Bahrain this week.

BBC: SPORT | Motorsport | Formula One | Honda not quick enough - Button