名词
中文翻译：盲洞
同义词：
['blind spot', 'blind corner', 'blind alley']
例句：
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1.The tunnel was so dark that we couldn't see our way out.
隧道太暗了，我们看不清出路。
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2. He founda blind alley and had to turnback.
他发现了一条死胡同，不得不回头。
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3. The blind man could not find hisway home because of the blind alley.
盲人因为死胡同找不到回家的路。