flightlessWiktionary 原文中文来自 ECDICTadj.不能飞的构词拆分flight词根/词干+-less后缀Lacking (something); without (something). Added usually to a noun to form an adjective signifying a lack of that noun.词源说明From flight + -less.释义（英文）形容词 AdjectiveUnable to fly.词族派生词（5）flightless cormorantflightlesslyflightlessnessNew Guinea flightless railsemiflightless相关词（3）unflightworthyunflyableunflying