名词
中文翻译：螺丝杆
同义词：
['nail', 'screw', 'staple例句：1. The screwstock was used to hold the wooden planks together.（螺丝杆用来固定木板。）2. He used a screwstock to drive in the nails.（他用螺丝杆来钉入钉子。）']
例句：
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1. The screwstock was used to hold the wooden planks together.
螺丝杆用来固定木板。
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2. He used a screwstock to drive in the nails.
他用螺丝杆来钉入钉子。
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3.The screwstock was the only thing that held the roof up.
螺丝杆是支撑屋顶的唯一东西。