Because there is no abrasion between the concave and convex, the nut is reusable.

Individuals can reduce their contribution by creating less waste at the start — for instance, buying reusable products and recycling.

人们可以通过减少制造废物来降低自身的影响，比如购买可重复使用的产品和循环利用。

高考真题- 2015 江苏 阅读B

The industry has also taken aim at the product that has appeared as its replacement ： reusable shopping bags ．

该行业还瞄准了作为替代品出现的产品：可重复使用的购物袋。

高考真题- 2018 浙江 阅读B

Before I finally learned to ride a bike, I first fell down many times.

在我最终学会骑自行车之前，我曾经跌倒过许多次。

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My youngest child is learning how to ride a bike.

我最小的孩子正在学习骑自行车。

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He could drive a car before he learned how to ride a bike.

学会骑自行车之前，他就会开车了。

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If I were you, I'd ride a bike to work.

如果我是你的话，我会骑车上班。

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Sometimes I walk home, sometime I ride a bike.

偶然我步止回荚冬偶然我骑自止车。

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how to color coordinate, how to ride a bike.

怎么配色，怎么骑自行车

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Once you know how to ride a bike you never forget it.

你一旦学会了骑自行车，就永远忘不了怎么骑。

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I would rather walk than ride a bike.

我愿意走路而不愿意骑车。

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Does his father ride a bike to work?

他的爸爸骑自行车去工作吗？

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Just like learning to ride a bike.

就像学习骑自行车。

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I've had many falls since I began to ride a bike.

现在结果：我还在骑车。到现在已经摔过很多次了。

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I usually like to ride a bike, and playing tennis.

我平时喜欢骑自行车，打网球。

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Do you try to walk or ride a bike to school?

你试过走着或骑车去学校么？

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I often ride a bike my home the park.

我经常骑自行车从我家到公园。

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He had so many falls that he could ride a bike at last.

他摔了很多跤，终于学会了骑车。

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It's like learning to ride a bike.

像学骑自行车一样简单。

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I usually ride a bike to school when it is fine.

天气好时我常常骑车去学校。

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I'll ride a bike instead of taking a bus.

我骑自行车，不乘公共汽车。

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