It is rich in blood vessels (血管) .

它的血管很丰富。

youdao

Though the country is poor in natural resources, it is rich in human resources.

该国自然资源匮乏，但其人力资源充足。

youdao

Though the visit is brief, it is rich in content.

这次访问虽然短暂，但内容很丰富。

youdao

It is a collection of linked short stories about the lives of very rich and very poor people in Pakistan.

VOA: special.2010.01.01

It turns out that blood within the umbilical cord is also a rich source of stem cells and again specific to a particular patient.

研究发现脐带血中,也有丰富的干细胞资源,并且对一些特殊的病人有特别的意义

耶鲁公开课 - 生物医学工程探索课程节选

This is important, because it's the black earth region of rich agriculture there.

这是很重要的一点,因为他们住在农业发达的黑土地区

耶鲁公开课 - 欧洲文明课程节选

Endemic Kikuyu grass is ideal for rehabilitating soils, as it is rich in nutrients.

UNESCO: Ecological Sciences for Sustainable Development

Australia is carbon-intensive largely because it is rich in coal, one example of its enviable mineral wealth.

ECONOMIST: The right place to look for fiscal resources

One reason is that it is rich and can afford to be bolder.

ECONOMIST: Asian airlines