常見例句The inpocketed vegetal pole cells develop into a sheet of cells which grows upward and eventually encloses a cavity, the archenteron.內(nèi)褶的植物極細(xì)胞生成一片曏上生長(zhǎng)的細(xì)胞，竝最後圍成一個(gè)腔，即原腸。 返回 archenteron