单词	multifrequency
释义	multifrequency adjective mul·​ti·​fre·​quen·​cy ˌməl-tē-ˈfrē-kwən(t)-sē  -ˌtī- 1 of an electronic device : generating or receiving multiple frequencies a multifrequency radio 2 : involving, containing, or composed of multiple frequencies … the new multifrequency noise is being heralded as better at alerting workers to the hazards of a reversing truck. Brendan McAleer Word History First Known Use 1893, in the meaning defined at sense 1
随便看	pitilessly pitilessness pitilessnesses pitirri pitis pitless pitlike pitman pitman chest pitmans pitmaster pitmasters pitmen pitmirk pitocins pitometer piton pitons pitot tube pitot-static tube pitpan pitpit pitprop pitprops pitri

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