wallflowerWiktionary 原文中文来自 ECDICTn.桂足香，桂香香水，局外人构词拆分wall词根/词干+flower词根/词干词源说明From wall + flower.释义（英文）名词 NounAny of several short-lived herbs or shrubs of the Erysimum genus with bright yellow to red flowers.Gastrolobium grandiflorum, a poisonous bushy shrub, endemic to Australia