名词短语
中文翻译：无人看守的高速公路交叉口同义词
同义词：
['unguarded highway intersection', 'unmanned highway junction', 'unsupervised highway junction']
例句：
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1. The police found the unattended highway crossing was a major source of accidents.
警方发现无人看守的高速公路交叉口是重大事故的主要原因。
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2. The driver had to stop at an unattended highway crossing before continuing on his journey.
司机不得不在无人看守的高速公路交叉口停下，继续他的旅程。
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3. The construction crew made sure all unattended highway crossings were properly marked and guarded.
施工队确保所有无人看守的高速公路交叉口都得到了适当的标记和保护。