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	Peene peened Peenemünde peenge peenged peengeing peenges peening peening rammer peens peeoy peeoys peep peep frog peep hawk peep show peep sight peep-bo peepal peepals peeped peeper peepers peephole peepholes

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