noun 下载 🔗分享 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. Examples : "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。 technical machine part 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 托爪，镶爪. In jewelry, the rim (of a ring) within which a jewel is set. Compare bezel. Examples : "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。 art wear material item 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 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.) Examples : "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。 plant biology seed agriculture part 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 助手，下级侍从。 A lower servant in a church. Examples : "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。 religion job person 与AI对话词汇游戏阅读练习
