久久国产欧美日韩精品,日韩国产精品久久久久久亚洲,99视频精品全部免费免费,91精品国产综合久久走光

coleoptile的音標(biāo)：coleoptile的英式發(fā)音音標(biāo)為：[?k??l?'?pt?l]coleoptile的美式發(fā)音音標(biāo)為：[?ko?l?'?pt?l]...

n.胚芽鞘...

Coleoptile A sheath like structure that protects the developing plumule in grasses.用來保護(hù)發(fā)育的胚芽的鞘狀的結(jié)構(gòu)....