发明由具有两端的袋形成，其中一端开口，通过它可以导入将被吸取的物体。
The invention is formed by a bag having two ends, one of which is open and through which the element to be extracted can be inserted.
伟大的天文学家约翰尼斯·开普勒注意到所有彗星的尾巴都背离太阳，这说明太阳光会将它们推向后方，在彗星周围形成一个类似风向袋的形状。
Famed astronomer Johannes Kepler noticed that comet tails always point away from the sun, implying that sunlight itself was pushing them around like cosmic windsocks.
Stephen Robertson BRC总负责人，辩解说减少数据说明消费者永久地形成重复使用塑料袋的习惯。
Stephen Robertson, BRC director general, argued that the headline reduction figures showed that customers were permanently adopting the habit of re-using their bags.
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