常见例句双语例句It would still work the same. You could imagine drawing a picture where r and theta are the Cartesian coordinates, and your picture would be completely messed up.这其实是一样的，想象你们画了一副图,在图中r和θ是在笛卡尔坐标系中的，这样的话，你的图将变得一团糟。 返回 imagine r