| 单词 | mutual aid |
| 释义 | mutual aidnoun Sociology.the cooperative as opposed to the competitive factors operating in the development of society. Origin of mutual aidFirst recorded in 1530–40 Words nearby mutual aidmuttonhead, mutton snapper, Muttra, mutual, mutual admiration society, mutual aid, Mutual Assured Destruction, mutual fund, mutual impedance, mutual inductance, mutual induction Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 |
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