They successfully constructed a prototype of a bag made from a number of stainless steel plates, stuck on to a light, flexible plastic sheet.

他们成功的制造了利用轻质可伸缩塑料片连接的不锈钢袋子原型。

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For example, we don't use a plastic bag when shopping, we use both sides of the paper, we turn off the light immediately when not using it.

例如，我们不使用塑料袋购物、使用纸张的两个面、(高中英语作文环保)不使用灯时及时关掉。

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For example, we don't use a plastic bag when shopping, we use both sides of the paper, we turn off the light immediately when not using it.

例如，我们不使用塑料袋购物、使用纸张的两个面、(高中英语作文环保)不使用灯时及时关掉。

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