20xx上海教育版英语六年级下册module2unit5crafts第2课时ppt课件内容摘要：
He looked at the leaf carefully. There were many teeth on the leaf and the teeth were sharp. Presentation Soon Lu Ban made a saw. It was the first saw in the world. People are still using this tool today. Discussion Complete the summary of this story. Lu Ban ______ a craftsman. One。阅读剩余 0%
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