Over a lifetime, a polyester blouse uses less energy than a cotton T-shirt.

在整个使用寿命中，一件含聚酯成分的罩衫要比一件棉制T恤更节约能源。

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A cup of coffee embeds about 140 litres (246 pints) of water, a cotton T-shirt about 2,000 litres, and a kilogram of steak 15,000 litres.

一杯咖啡中含有140公升(246品脱)水，一件纯棉T恤含水2000公升，一千克牛排则含水15000公升。

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The water footprint is designed to help consumers and businesses understand just how much water is required to make products like a cotton T-shirt or a can of corn.

“水足迹”这一概念的提出是为了帮助消费者和商家明白为了制造诸如一件纯毛T恤或者是一罐玉米的商品所需耗费的真实水量。

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Researchers at the University of South Carolina are working on developing a cotton t-shirt that could charge mobile gadgets.

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See what a cotton T-shirt goes through before it gets to you.

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Plank noticed that, after a practice or a game, the cotton T-shirt that he and the other players wore under their pads would be heavy, soaked with sweat.

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