precession
pri'seʃәn
基本解释
n. 先行, 优先
[化] 进动; 旋进
英文释义
n. the motion of a spinning body (as a top) in which it wobbles so that the axis of rotation sweeps out a cone
n. the act of preceding in time or order or rank (as in a ceremony)
上一个单词：precessing
下一个单词：precession camera