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
Umbellularia的结果
Umbellularia
(n.)
A genus of deep-sea alcyonaria consisting of a
cluster of large flowerlike polyps situated at the summit of a long,
slender stem which stands upright in the mud, supported by a bulbous
base.