oscillate

oscillate
[ˈɒsɪleɪt]
verb
[no obj.]

move or swing back and forth at a regular speed
摆动
it oscillates in a plane at right angles to the cam axis.
它在和凸轮轴正交的平面上摆动。
■[with adverbial](figurative)waver between extremes of opinion, action, or quality
(喻)动摇；犹豫
he was oscillating between fear and bravery.
他一会儿害怕一会儿胆大。
(Physics)vary in magnitude or position in a regular manner around a central point
(物理)振荡
■(of a circuit or device) cause the electric current or voltage running through it to behave in this way
（电路，装置）使（电流、电压）振荡

派生
oscillation
noun
oscillatory
[ɒˈsɪlət(ə)ri, ˈɒsɪləˌt(ə)ri]
adjective
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