英语词汇“free-fall”的读音、翻译、释义、用法及例句-开邑网

词汇	free-fall
释义	free-fallfree-falln.1.■①自由下落[下降]②跳伞员于降落伞张开之前的自由降落③自由下跌
随便看	differential cross pin differential cross section differential cross-section differential crosstalk differential crown wheel differential cryptanalysis differential current differential current component differential current protection differential curve differential cuttent differential cylinder differential declines differential deflection angle differential delay differential-density saparation differential detection differential detector differential determination differential device differential diagnosis differential diagnosis of cloudy urine differential diaphragm differential diaphragm capsule differential dilatometer

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