There was the wonder I felt when I saw a brace of mountain like, spotted, black-and-white horses clopping down a dusty road through clouds of powdered clay.
我觉到很美妙,当我望见一大群如山般高大的,黑白斑点马压过土路,我觉到很快乐。
There are problem in that a horse must be treated when we study rigid bodies.
当我们学习刚体的时候,把马看做什么就是个问题了
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