单词	Doppler radar
释义	Doppler radar noun : a radar system that utilizes the Doppler effect for measuring velocity Word History First Known Use 1954, in the meaning defined above
随便看	hews hews (to) hews to hex hex mark hex sign hex- hexa hexa- hexabiose hexabromide hexacanth hexacanthous hexachlor- hexachloraphenes hexachlorethane hexachlorethanes hexachloro hexachloro- hexachloroethane hexachloroethanes hexachlorophene hexachlorophenes hexachloroplatinate hexachord

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