原来,金属也怕冷在高大明亮的科学宫里面,“魔幻大师”继续为大家介绍低温知识。只见他眯起眼睛,神秘地说:“低温就像一位神奇的魔术师,使物质的性质发生很大变化,温度越低则魔法越神奇,这与我们的生活有着密切关系呢!请看……”只见他举起金色魔术棒,向墙壁一指,显示出来一个荧光屏。画面是冰天雪地的南极景象,解说员正在介绍着:“金属在低温时内部结构会变得松散,称作 It turned out that the metal is also afraid of cold in the tall and bright science palace inside, ”Magic Master “ continue to introduce you to low-temperature knowledge. I saw him squinting, mysteriously said: ”Low temperature is like a magical magician, the material properties have undergone great changes, the lower the temperature magic magical, which is closely related to our life too! Please see ... “I saw him lift the golden magic wand, pointing to the wall, showing a fluorescent screen. The picture shows the frozen Antarctic scene, and the narrator is now introducing: ”The internal structure of metals that becomes loose at low temperatures is called