neededWiktionary 原文中文来自 ECDICTadj.需要的构词拆分need词根/词干+-ed后缀Used to form past tenses of (regular) verbs. In linguistics, it is used for the base form of any past form. See -t for a variant.词源说明From need + -ed. The adjective is derived from the verb.释义（英文）形容词 AdjectiveNecessary; being required.动词 Verbsimple past and past participle of need词族派生词（3）neededlyneedednessmuch-needed