aldernWiktionary 原文英美构词拆解alder词干+-en后缀-en(no longer productive) Denotes the past participle form when attached to a verb. · (archaic) Denotes a quasi-past participle or participle-like adjective when attached to a noun or verb.词源说明From alder + -en.释义形容词adjective1obsoleteMade of alder wood.