Any of several woody, climbing or trailing evergreen plants of the genus Hedera native to the Old World, especially H. helix, having palmately lobed leaves, root-bearing young stems, and small green flowers grouped in umbels.是什么意思_Any of several woody, climbing or trailing evergreen plants of the genus Hedera native to the Old World, especially H. helix, having palmately lobed leaves, root-bearing young stems, and small green flowers grouped in umbels.在线翻译_英语_读音_用法_例句