单词asteroidea
n.: 海星纲网络: 海星亚纲;第一节海星纲;海星类
海星纲
Asteroidea (starfish) contains saponins, sterols, anthraquinones, alkaloids, phospholipids and some other components.
海星含皂苷、甾醇、蒽醌、生物碱和脂类等物质。