单词	to borrow of
释义	英華字典資料庫同義詞☞unpaid for
随便看	doppler spectrograph doppler spectrum doppler spectrum width doppler speed log doppler spread doppler's principle doppler`s principle doppler system doppler technique doppler tolerance doppler tracking doppler tracking loop doppler tracking system doppler translocation doppler ultrasonic flowmeter doppler ultrasonography doppler ultrasound doppler velocimeter doppler velocity (doppler)--velocity discriminant (in tracking loops) doppler velocity log doppler velocity log {=dvl} doppler velocity sonar doppler vhf omnidirectional radio range facilities doppler vor