oscillate
/ˈɒsɪleɪt/verb
no obj.
1
- 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。
1.1
- 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。
2
- Physics vary in magnitude or position in a regular manner around a central point【物理】振荡。
2.1
- (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。
派生词
oscillation
nounoscillatory
/-lətərɪ/ adjective词源
early 18th cent.: from Latin oscillat- 'swung', from the verb oscillare.