• 用户头像

    ffffffffffflorenzzzzzzzz

    The large drop shows the salt water which is 97% of the water on Earth. The smaller drop is freshwater. Nearly 70% of freshwater is trapped in glaciers, 30% is in the ground, and only 0.3% is found in all of the lakes, rivers, and streams around the world.
    展开全文
    1. 微博附图
    原微博