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1. I need to sharpen my tools before we start working on the project.
我们需要在开始工作之前磨利我们的工具。
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2. The tool sharpener is very easy to use and it makes a big difference in the quality of our work.
这个工具磨刀器很容易使用，它对我们的工作质量有很大的影响。
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3. We should always keep our tools sharpened to ensure that they are always ready for use.
我们应该始终保持工具锋利，以确保它们随时可用。