We use tractors to pull farm machinery.

我们使用拖拉机牵引农业机械。

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Now farmers use tractors to do farm work instead of horses.

现在农民使用拖拉机代替马干农活儿。

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Tractors have taken the place of horses on the farm.

在农场上拖拉机已经取代了马。

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Tractors have taken the place of horses on the farm.

在农场上拖拉机已经取代了马。

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