副词
中文翻译：毫无疑问地
同义词：
['unquestionably', 'without a doubt']
例句：
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1.The decision was made undistinguishably by the majority of the committee.
这个决定由委员会的大多数人毫无疑问地做出。
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2.He spoke undistinguishably in his speech.
他在演讲中毫无保留地说。
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3.They were undistinguishably happy to hear that their son had passed the exam.
听到他们的儿子通过了考试，他们非常高兴，毫无疑问。