形容词
中文翻译：无法的
同义词：
['incapable', 'unable', 'incapacitated例句：1. He is unable to speak English fluently.（他不会说英语。）']
例句：
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1. He is unable to speak English fluently.
他不会说英语。
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2.The child was unable to walk before he was rescued.
这个孩子在被救之前无法走路。
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3.The scientist was unable to replicate the experiment due to a technical issue.
科学家由于技术问题无法复制实验。