鲁虺西班牙语中文互译词典
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鲁虺西班牙语中文互译词典 / gnomon (m)上一个 查看全部 下一个

gnomon (m)

gnomon (m)

n. (Astronomy) gnomon, device for finding the height of the Sun by measuring noontime shadows; vertical shaft of a sundial; (Geometry) what remains of a parallelogram after removing a similar parallelogram from one of its corners