名词
中文翻译：打结机
同义词：
['knot-tying device', 'knot-tying appliance', 'knot-tying tool']
例句：
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1. This knot-tying machine is very useful for fixing small pieces of fabric together.
这种打结机对于固定小片布料非常有用。
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2. The knot-tying machine was invented to make it easier for people to tie their own knots.
这种打结机是为了让人们更容易自己打结而发明的。
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3. The knot-tying machine has become a popular choice for DIY enthusiasts who want to learn how to tie their own knots.
这种打结机已经成为DIY爱好者们学习如何自己打结的一个热门选择。