| 单词 | chain gear |
| 释义 | chain gearnoun A gear transmitting motion by means of a moving endless chain, especially in a bicycle.The timing chain gears, distributor drive gears, and even the oil pump gears are all bathed in engine oil....
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英语词典包含243303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。