词族 · gastrula
词形变化
英语词源
- gastrula (n.)
- 1874, a Modern Latin coinage (Haeckel), from Latin gaster, from Greek gaster (genitive gastros) "stomach" (see gastric) + Latin -ula, diminutive suffix. Related: Gastrular; gastrulation.
权威例句
- 1. 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.