milk.weed
n.(名词)Any of numerous plants of the genusAsclepias, having milky juice, usually opposite leaves, variously colored flowers grouped in umbels, and pods that split open to release seeds with downy tufts. Also called silkweed 马利筋属植物:一种马利筋属 植物,有乳白色汁液,通常叶对生、花色各异且聚成伞状,果荚绽裂后落出带绒毛的种子 也作 silkweed