音标发音英式音标 [ʌnˈfɑː.sən]美式音标 [ʌnˈfæs.sən]英式发音 美式发音 基本解释v.解開;松開同根派生 unfasten相关词英汉例句用作動詞 (v.)He unfastened the buckles and took off the coat.他解開釦子,把上衣脫掉。You may unfasten your seat belt now.現在可以松開您的安全帶了。unfasten更多例句英英字典劍橋英英字典 to release or open something that is fixed or closedunfasten剑桥字典unfasten柯林斯字典