自轉 angolul

spin [spun, spun, spinning, spins]▼(to turn around quickly)
verb
[UK: spɪn] [US: ˈspɪn]

rotation [rotations]▼(act of turning around a centre)
noun
[UK: rəʊ.ˈteɪʃ.n̩] [US: roʊ.ˈteɪʃ.n̩]