名词
中文翻译：小钉
同义词：
['nail', 'pinhead例句：1. The hobnail was so small that it could hardly be seen.（这个小钉太小了，几乎看不见。）']
例句：
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1. The hobnail was so small that it could hardly be seen.
这个小钉太小了，几乎看不见。
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2.He carefully placed the hobnail in the keyhole.
他小心翼翼地把小钉放在钥匙孔里。
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3. The hobnail was a useful tool for fixing things together.
这个小钉是一个有用的工具，用来固定东西。