vessels是什么意思？

The advantages, not surprisingly, were greater for African Americans, who are more likely to develop high blood pressure than other ethnic groups, and for the elderly, since blood vessels stiffen with age, which can lead to higher blood pressure.

And blood flow can be reduced as blood vessels narrow.

To test that theory, the team examined the yellowish, dried remains inside the vessels.

While digging two pits at a site in the central plains of China, scientists discovered fragments from pots and vessels.

The study by Greenpeace analysed the movements of krill fishing vessels in the region and found they were increasingly operating "in the immediate vicinity of penguin colonies and whale feeding grounds" It also highlights incidents of fishing boats being