英文英文字典
英文英文字典
古腾堡计划中的在线英语-英语词典
结果
Ambulacrum的结果
Ambulacrum
(n.)
One of the radical zones of echinoderms, along which
run the principal nerves, blood vessels, and water tubes. These zones
usually bear rows of locomotive suckers or tentacles, which protrude
from regular pores. In star fishes they occupy the grooves along the
under side of the rays.
Ambulacrum
(n.)
One of the suckers on the feet of mites.