And they have another reason to keep moving. 他们继续前行还有另一个原因
Moving from tree to tree is a perilous business. 在树间跳跃穿梭十分危险
As they sip, moving from tree to tree, so they transfer pollen and fertilize the flowers. 当它们在树与树之间采蜜的时候 也给树完成了传精授粉
If this wasn't moving, you might think it was a shell or a rock. 如果这个家伙不动的话 你说不定会以为这是块贝壳或者石头.
preventing clouds moving in from the south, and this casts a giant rain shadow 阻挡了从南飘来的浮云 只在大地上投下了巨大雨影
so it's only the tops that are moving. 所以沙丘移动的部分只是顶部
the ice itself is constantly moving, 冰川也在不断移动