Lingbi stone is a limestone, tonal, mainly black decorative pattern on the surface always.

灵璧石为石灰岩的一种，色调主要以黑色为主，在表面常有花纹。

youdao

At this time, mainly white people went to music clubs even though many of the musicians were black.

在那个时候，尽管有许多音乐人是黑人，但参加音乐俱乐部的主要是白人。

youdao

But South African citizens, mainly from the poor black townships, argue that an attack could not be ruled out.

不过，一些主要来自贫穷的黑人村镇的南非公民指出，一场袭击事件可能无法避免。

youdao

Teaching at Howard gave Duncan the chance to share his knowledge of classical European music with a mainly black student population.

VOA: special.2010.03.07

In many areas,villages were burned by Janjaweed militia, the government-backed, mainly Arab forces that pushed many Black African farmers from their land.

VOA: standard.2010.03.21

Land reform is a popular issue among the poorer, mainly black section of society in South Africa.

BBC: Mbeki's dilemma over Zimbabwe

We as customers don't see that many color options from HTC, anyway -- it's mainly black, gray and white these days.

ENGADGET: HTC talks smartphone design: from inception to final product

After apartheid ended, the government moved some policing resources from mainly white to mainly black areas, causing some white people to feel more vulnerable to crime, our correspondent says.

BBC: Oscar Pistorius