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At first we used hand tools. Later we had machines.
开始我们用手工工具,后来我们有了机器。
youdao
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In the beginning, we sued hand tools, Later we had machines.
起初,我们用手工工具,后来我们用机器。
youdao
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In the beginning, we sued hand tools, Later we had machines.
起初,我们用手工工具,后来我们用机器。
youdao