apsis
英式音标：apsis怎么读
美式音标：apsis怎么读
apsis词义
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n. 教堂东端之半圆室；[天] 拱点
词态变化
复数: apsides;
apsis英文词源
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- apsis (n.)
- "perigree of the moon, perihelion of a planet" (plural apsides), 1650s, from Latin apsis "arch, vault" (see apse).