名词
中文翻译：针脚
同义词：
['pin', 'needle', 'pinpoint', 'point', 'spike', 'stinger']
例句：
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1. The needleis inserted into the fabric to sew it together.
针被插入布料中缝合它。
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2.The sharp pinpoint of her gaze caught his attention.
她锐利的目光吸引了他的注意力。
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3.The spike on the fence was used to keep the animals in.
篱笆上的刺用来阻止动物进入。