基本解释消化道,原肠同根派生 archenteron相关词英汉例句The inpocketed vegetal pole cells develop into a sheet of cells which grows upward and eventually encloses a cavity, the archenteron.内褶的植物极细胞生成一片向上生长的细胞,并最后围成一个腔,即原肠。archenteron更多例句