单词	countershaft
释义	countershaft noun coun·​ter·​shaft 1 : a mechanism used to transmit motion and power from a main driving shaft to an individual machine, typically mounted by hangers on a ceiling, and driven by one belt from the main shaft and in turn driving the machine by another belt 2 : a short shaft in a machine (as an automobile) carrying intermediate gears to transmit motion usually with change of speed or direction or both from one set of gears to another countershafting noun Word History Etymology counter- + shaft
随便看	litheness lithenesses lither litherness lithesome lithesomeness lithest lithi- lithia lithia emerald lithia mica lithia water lithias lithiases lithiasis lithiate lithic lithiccer lithiccest lithicer lithicest lithidionite lithier lithiest lithification

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