来吧,跟着科学家考察古老的冰河。米歇尔·科佩斯在冰川脚下划着小船。一块冰落下来,在她身边掉进水里。科佩斯继续划船。她是研究冰川的,很清楚冰川有多么危险。冰川是巨大的冰河:最初是积雪,一层层积雪挤压在一起,渐渐地,雪变成了厚厚的冰,成了冰川。冰川像慢慢流淌的河。冰的重量使冰川向前滑动。冰川流动得非常慢,但却并不是静悄悄 Come, follow the scientists to study the ancient glaciers. Michel Coppers paddled a boat at the foot of the glacier. A piece of ice fell, falling into the water beside her. Ke Pace continue rowing. She studies glaciers and knows how dangerous glaciers are. Glaciers are huge glaciers: snow was first covered with layers of snow and pressed together. Gradually, snow turned into thick ice and became a glacier. Glaciers like slowly flowing river. The weight of the ice slides the glacier forward. The glacier flows very slowly, but not quietly