名词
中文翻译：铃拉绳
同义词：
['bell pulley', 'bell rope例句：1. The bell pull was the only thing that could be adjusted to make the door open and close.（铃拉绳是唯一可以调整的，使门开合。）']
例句：
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1. The bell pull was the only thing that could be adjusted to make the door open and close.
铃拉绳是唯一可以调整的，使门开合。
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2.The bell pull is responsible for signaling when someone enters the room.
铃拉绳负责在有人进入房间时发出信号。
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3.The bell pull was a simple mechanism that allowed people to control the opening of the door.
铃拉绳是一个简单的机制，让人们能够控制门的开启。