单词	TACAN
释义	TACAN noun ˈta-ˌkan  often attributive : a system of navigation that uses ultrahigh frequency signals to determine the distance and bearing of an aircraft from a transmitting station Word History Etymology tactical air navigation First Known Use 1955, in the meaning defined above
随便看	extrafamilial extrafascicular cambium extrafloral extraforaneous extragalactic extragalactic nebula extragenic extrahazardous extrahepatic extrajudicial extrajudicially extralateral extralecithal extralegal extralegally extralimital extralinguistic extralinguistically extraliterary extralities extrality extralogical extramarginal extramarital extramatrical

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