However , content of the dissolvable protein and amino acid during gastrula stage during blastula stage.总氨基酸含量在胚胎发育早期下降较快, 胚胎发育至后无节幼体期氨基酸含量下降幅度变缓....

gastrula的音标：gastrula的英式发音音标为：['gæstrʊlə]gastrula的美式发音音标为：['gæstrʊlə]...

gastrula的复数形式为：gastrulas...

n.胚囊，肠胚...