劍橋詞典biology specialized the outer layer of particular types of cell （細(xì)胞外層的）外質(zhì) a substance that is believed to surround ghosts and other creatures that are connected with spiritual activities （某些人認(rèn)爲(wèi)圍繞鬼魂等的）霛的外質(zhì) 返回 ectoplasm