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来源:雅诚德英语网
They're lenses because they're convex vessels, and when they're full of water, they act as a lens and you see the horizon in them, upside down and backwards.
它们是透镜,因为它们是凸面容器,当它们盛满水后,它们可作为透镜使用,你可以看到它们里面上下颠倒的地平线。
They're lenses because they're convex vessels, and when they're full of water, they act as a lens and you see the horizon in them, upside down and backwards.
它们是透镜,因为它们是凸面容器,当它们盛满水后,它们可作为透镜使用,你可以看到它们里面上下颠倒的地平线。