常見(jiàn)例句Etioplast A modified chloroplast formed from proplastids in leaves grown in total darkness. 白色體：葉在生長(zhǎng)過(guò)程中完全置于黑暗條件下，由前質(zhì)體形成的變化了的葉綠體。etioplast membranes 白化體膜 返回 etioplast