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单词	roller bearing
释义	roller bearing noun : a bearing in which the journal rotates in peripheral contact with a number of rollers usually contained in a cage — compare ball bearing [roller bearing: 1 outer race, 2 cage, 3 roller, 4 inner race]
随便看	body body body bag body blow body brush body Brussels body brussels body-build body builder body building body cavity body cell body-centered body check body checker body clock body clothes body coat body color body corporate body count body english body fluid bodyguard body harness

英语词典包含332784条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。