基本解释[生物學]穎狀苞花托英汉例句雙語例句The chaffy scales on the receptacle of a flower head in a plant of the composite family as the sunflower.托苞在菊科植物,如曏日葵中,承托磐花的花托上的一種膜質鱗片。chaffy receptacle更多例句专业释义生物學穎狀苞花托