| 单词 | simple machine |
| 释义 | simple machinenoun Mechanics.machine (def. 3b). Origin of simple machineFirst recorded in 1900–05 Words nearby simple machinesimple-hearted, simple honors, simple interest, simple interval, simple joint, simple machine, Simple Mail Transfer Protocol, simple majority, simple mastectomy, simple microscope, simpleminded Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for simple machinesimple machine nouna simple device for altering the magnitude or direction of a force. The six basic types are the lever, wheel and axle, pulley, screw, wedge, and inclined plane 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 Scientific definitions for simple machinesimple machine See under machine. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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