chinstrappedWiktionary 原文构词拆分chinstrap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 chinstrap + -ed.释义（英文）形容词 AdjectiveHaving a chinstrap.(UK, military slang) Tired, exhausted.