形容词
中文翻译：在手边
同义词：
['at hand', 'available', 'readily available', 'within reach']
例句：
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1. The apples are on hand for anyone who needs them.
苹果随时可供需要的人使用。
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2. We need to be ready to use the tools on hand.
我们需要准备好使用手头的工具。
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3. He was able to help me with the problem because he had all the materials on hand.
他能够帮我解决问题，因为他手头有所有材料。