我们必须用一根木柱子撑住屋顶。

We had to prop up the roof with a wooden post.

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冬天我们必须用纸糊起来挡御寒风。

We must paper out the cold wind in winter.

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我们必须用起重机来装载货物。

We must use mechanical hoisting to load the goods.

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我们必须用心找到一个解决方法。

We must apply our minds to finding a solution.

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我们必须用水池的水把这灌满。

We have to fill it with water from the basins.

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我们必须用钉子把通知钉到门上。

We had to fasten the notice to the door with a nail.

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我们必须用我们的技术回答这些问题。

We have to answer these issues using our technology.

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我们必须用我们的一切去赢得比赛。

We must try to win with all the weapons at our disposal.

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谁是我们必须用行动来服务的人民呢？

Who are these people we must serve with our actions?

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我们必须用一切可能的办法帮助他们。

We must help them in every way possible.

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我们必须用功学习才能精通英语。

We must work hard to acquire a good knowledge of English.

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我们必须用塑料来代替橡胶。

We must substitute plastics for rubber.

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我们必须用爱来回报他们。

We must pay back the love to them.

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所以我们必须用国家标准和规定加以引导。

So we have to guide it with national standards and regulations.

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战时我们必须用黑布遮着窗口以免透光。

During the war we had to black out all our Windows.

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快乐不会向我们走来，我们必须用心体验。

Happiness will coming to us, we have to perform experience.

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印刷书籍。我们必须用大量的时间和人力。

To print books, we must use a lot of time and people.

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我们必须用皮，如果我们使用自定义组件？

And where we have to use skinning and where we have to use custom components?

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因为没有重力所以我们必须用毛巾把汗擦去。

And because there is no gravity we must use towels to wipe off the sweat.

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这些都是基础，我们必须用它们来扩展我们的思维。

These are the basis, and we must strengthen them to extend our imagination.

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我们必须用一把新椅子来换掉这把破旧不堪的椅子。

We must substitute a new chair with the broken one.

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我们的情况都一样，我们必须用自己的方法来走出困境。

We all in same way must work our way of out this.

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我们的情况都一样，我们必须用自己的方法来走出困境。

We all in same way must work our way of out this.

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