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1. The carpenter used a plane to smooth the surface of the wood.
木匠用刨子平滑了木头的表面。
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2. The engineer designed a new type of machine that could replace the old one.
工程师设计了一种可以取代旧机器的新型机器。
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3. The tool is essential for making precise cuts on metal surfaces.
这个工具对于在金属表面上进行精确切割至关重要。