The horse had a white mark on its head.

这匹马头上有块白斑。

《牛津词典》

The dog has a white mark on its head.

只狗的头上有一个白色记号。

youdao

Roger's horse has a white mark on its head.

罗杰的马的头上有一个白色记号。

youdao

In baseball, Mark Buehrle of the Chicago White Sox pitched a perfect game on July twenty-third.

VOA: special.2009.08.01

In fact, it's a specific person's brain, and what's interesting about the brain is that little white mark there.

实际上这是个特殊人物的大脑,有意思的是,大脑上有个白色的小标记

耶鲁公开课 - 心理学导论课程节选

Faith Lapidus has more. Mark White built his first non-American playground in Poland.

VOA: special.2010.11.05

The flame from the burning propellant appears as a solid white mark.

CNN: Photo reportedly shows N. Korean rocket in flight

Happy used her reflection to repeatedly touch the white mark with her trunk, which showed that she, at least, recognised her own reflection.

ECONOMIST: Self-recognition

Wilson and the White Sox Mark Buehrle, a pair of borderline aces, the best available.

FORBES: Yanks Should Let Sabathia Walk