echinoids

常见例句

Echinoids are close relatives of the Asteroids.
海膽是海星的近親。
Pan Huazhang, Yang Shengqiu and Sun Dongli. 1991. The Late Cretaceous-Early Tertiary Marine Gastropod, Echinoids and Brachinopods from the Western Tarim Basin, South Xinjiang, China. Beijing: Science Press.
潘華璋;楊勝鞦;孫東立.;1991
Standard Guide for Conducting Static Acute Toxicity Tests with Echinoid Embryos
用海膽綱胚胎做靜態劇毒試騐的標準指南
"echinoid:an echinoderm of the class Echinoidea, which includes the sand dollars and sea urchins."
"海膽:一種屬於海膽綱的棘皮動物;包括沙錢和海膽.;"
echinoid
adj. 海膽狀的;海膽屬的