| 单词 | wheel and axle |
| 释义 | wheel and axlenouna simple machine consisting, in its typical form, of a cylindrical drum to which a wheel concentric with the drum is firmly fastened: ropes are so applied that as one unwinds from the wheel, another rope is wound on to the drum. Origin of wheel and axleFirst recorded in 1765–75 Words nearby wheel and axleWheatstone bridge, wheatworm, whee, wheedle, wheel, wheel and axle, wheel and deal, wheel animalcule, wheel back, wheelbarrow, wheelbarrow race Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for wheel and axle
British Dictionary definitions for wheel and axlewheel and axle nouna simple machine for raising weights in which a rope unwinding from a wheel is wound onto a cylindrical drum or shaft coaxial with or joined to the wheel to provide mechanical advantage Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 |
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