《Tetrabiblos》The Annual SeasonsClaudius Ptolemy（Ashmand 英譯 1822）
The year comprises four seasons; spring, summer, autumn, and winter; of these, the spring partakes chiefly of moisture, for on the dissipation of cold and recommencement of warmth, an expansion of the fluids takes place: the summer is principally hot, owing to the Sun’s nearest approach to the zenith: the autumn is principally dry, because the recent heat has absorbed the moisture: and the winter is chiefly cold, the Sun being then at his farthest distance from the zenith.
段落 tetra-1-theannuals-1public-domain (Ashmand 1822)
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