| 释义 |
noun Electricity.an electric cord having a standard plug at one end and a standard electric jack at the other. Origin of extension cordFirst recorded in 1945–50 Words nearby extension cordextension, extension agent, extensional, extensionality, extension bolt, extension cord, extension courses, extension field, extension ladder, extension library service, extension ring Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 |