名词
中文翻译：护栏
同义词：
['rail', 'fence', 'barrier']
例句：
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1. The old house has a wooden railing around the porch.
这所旧房子的阳台周围有木制的栏杆。
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2. He climbed up the ladder to reach the top of the fence.
他爬梯子爬到篱笆顶部。
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3. The policeman used his baton to clear a path through the crowd.
警察用警棍在人群中开辟了一条通道。