Any of numerous plants of the genus Asclepias,having milky juice,usually opposite leaves,variously colored flowers grouped in umbels,and pods that split open to release seeds with downy tufts.是什么意思_Any of numerous plants of the genus Asclepias,having milky juice,usually opposite leaves,variously colored flowers grouped in umbels,and pods that split open to release seeds with downy tufts.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句