柯林斯词典milkweed /ˈmɪlkˌwiːd/ 1. N any plant of the mostly North American genus Asclepias, having milky sap and pointed pods that split open to release tufted seeds: family Asclepiadaceae 乳草屬植物 (Also called silkweed)→see alsoasclepias 返回 milkweed