chinstrapWiktionary 原文构词拆分chin词根/词干+strap词根/词干词源说明From chin + strap.释义（英文）名词 NounA strip of leather or material used to fasten a hat or helmet under the chin.A form of beard that follows the jawline but does not cover the rest of the chin.A band of colour below a bird's mouth, resembling the chinstrap of a helmet.(zoology词族派生词（2）chinstrappedchinstrap penguin