常見例句Standard Guide for Conducting Static Acute Toxicity Tests with Echinoid Embryos 用海膽綱胚胎做靜態(tài)劇毒試驗(yàn)的標(biāo)準(zhǔn)指南"echinoid:an echinoderm of the class Echinoidea, which includes the sand dollars and sea urchins." "海膽:一種屬于海膽綱的棘皮動(dòng)物;包括沙錢和海膽.;"regular echinoid 正形海膽(動(dòng))irregular echinoid 非正形海膽(動(dòng)) 返回 echinoid