gyration
英 [d?a?'re??(?)n]
美[d?a?'re??n]
- n. 旋轉(zhuǎn)，[力] 回轉(zhuǎn)；螺層
英英釋意
- 1. a single complete turn (axial or orbital);
- "the plane made three rotations before it crashed"
- "the revolution of the earth about the sun takes one year"
- 2. the act of rotating in a circle or spiral