千万不要小看垃圾袋,源于塑料的一种人工材料将为宇航员的火星之旅护航。我们每天都用塑料垃圾袋,它们是如此普通,我们根本没有在意过。可是谁曾想过,平平无奇的垃圾袋将可能成为载人火星探测的关键所在。坐在塑料飞船里前往火星?这听起来是多么幼稚可笑!在我们眼里,塑料是那么 Do not underestimate the garbage bag, a man-made material from plastic escort the astronaut’s journey to Mars. We use plastic trash bags every day, they are so common, we did not mind. But anyone who ever thought that plain garbage bags could become the key to manned Mars exploration. Sits in a plastic spacecraft to Mars? This sounds so naive! In our eyes, plastic is so