noun 下载 🔗分享 手腕，腕部 The complex joint between forearm bones, carpus, and metacarpals where the hand is attached to the arm; the carpus in a narrow sense. Examples : "She wore bracelets on both her wrists. " 她在两只手腕上都戴了手镯。 body anatomy part medicine physiology organ human 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 轴颈，轴销 A stud or pin which forms a journal. Examples : "The wrists on the old printing press needed oiling, as they were squeaking with each rotation. " 老式印刷机上的轴颈需要上油了，因为它们每次转动都会发出吱吱的响声。 part machine technical 与AI对话词汇游戏阅读练习
