单词	radio compass
释义	radio compass noun : a direction finder used in navigation Example Sentences Recent Examples on the Web But radio compass bearings were relatively new navigational aids at the time and not trusted by veteran mariners. Scott Harrison, Los Angeles Times, 6 Sep. 2019 Word History First Known Use 1912, in the meaning defined above
随便看	ethnogeographer ethnogeographic ethnogeography ethnographer ethnographers ethnographic ethnographical ethnographically ethnographies ethnography ethnohistorian ethnohistorians ethnohistoric ethnohistorical ethnohistories ethnohistory ethnolinguistic ethnolinguistics ethnologic ethnological ethnologies ethnologist ethnologists ethnology ethnomedical

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