名词
中文翻译：缝纫机上的线环
同义词：
['thread ring', 'sewing machine ring例句：1. The needle is caught in the thread ring on my sewing machine.（我的缝纫机的针卡在了线环里。）']
例句：
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1. The needle is caught in the thread ring on my sewing machine.
我的缝纫机的针卡在了线环里。
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2.She carefully removed the thread ring from her dress.
她小心翼翼地从裙子上拆下了线环。
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3. The thread ring was a crucial part of the project.
线环是这个项目的关键部分。