| 释义 |
〔swim〕The room swam before my eyes.房间在我眼前缓慢旋转〔precession〕A slow gyration of Earth's axis around the pole of the ecliptic, caused mainly by the gravitational pull of the sun, moon, and other planets on Earth's equatorial bulge.岁差：地球中轴绕黄道极的缓慢旋转，主要由于太阳、月亮和其它星体对地球赤道降起带的重力作用而造成 |