noun🔗Share夹头，卡头。 A band, flange, ferrule, or collar, designed to grip and hold a tool or a workpiece under proper control, and usually to release it under control thereafter; such a collet usually is made of a hard, springy material, especially a metal."That collet can handle up to 3/8-inch bits."那个夹头可以夹持直径达3/8英寸的钻头。technicalmachinepartChat with AIVocabulary GamePractice Reading
noun🔗Share托爪，镶爪. In jewelry, the rim (of a ring) within which a jewel is set. Compare bezel."There is an almost invisible collet that secures the stone to the ring."戒指上有一个几乎看不见的托爪，将宝石牢牢地固定在上面。artwearmaterialitemChat with AIVocabulary GamePractice Reading
noun🔗Share胚轴根过渡区，胚根与下胚轴连接处 In an embryonic plant, the transition zone between the root and the hypocotyl (not clearly distinguishable in most plants.)"Collar rot forms in the collet between the stem and the root."领腐病发生在茎和根之间的胚轴根过渡区。plantbiologyseedagriculturepartChat with AIVocabulary GamePractice Reading
noun🔗Share助手，下级侍从。 A lower servant in a church."The young collet diligently polished the altar, preparing the church for Sunday service. "那个年轻的助手勤奋地擦拭着圣坛，为周日的礼拜做准备。religionjobpersonChat with AIVocabulary GamePractice Reading
