名词
中文翻译：蓝线钥匙
同义词：
['blueprint key', 'blueprint key例句：1. The blue-line key is used to open the door.（蓝线钥匙用来打开门。）2. The blue-line key was a crucial part of the puzzle.（蓝线钥匙是这个谜题的关键部分。）']
例句：
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1. The blue-line key is used to open the door.
蓝线钥匙用来打开门。
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2. The blue-line key was a crucial part of the puzzle.
蓝线钥匙是这个谜题的关键部分。
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3.The blue-line key was found on the floor near the door.
蓝线钥匙被发现在门附近的地板上。