大头针的用法和样例:
例句
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这只死昆虫被一根大头针钉在一张卡片纸上。
The dead insect was mounted on a card by means of a pin.
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她插上一根大头针,防止纸滑动。
She stuck a pin in, to prevent the paper from slipping.
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我用大头针在地图上扎孔标出我们的路线。
I prick the map with a pin to show our route.
短语
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