名词
中文翻译：栏杆
同义词：
['rail', 'fence', 'barrier']
例句：
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1. The old lady sat on the bench by the river, watching the boats pass by.
那位老太太坐在河边的栏杆上，看着船只经过。
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2. The guard stood at the entrance of the castle, ready to protect the rete.
守卫站在城堡入口处，准备保护栏杆。
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3. The bridge was designed with a high rete to prevent people from falling off.
这座桥设计得非常高，以防人们从栏杆上摔下来。