oscillation
n. 振荡；振动；摆动
复数 oscillations
例句
Its oscillation depends on the strength of the gravitational field.
它的摆动取决于重力场的力。
《柯林斯英汉双解大词典》
Encompassed in a luminous cloud, of which he was now merely the fiery heart, he swung through unthinkable arcs of oscillation, like a vast pendulum.
他现在只不过是一颗火热的心，被一团发光的云所包围，他像一个巨大的钟摆一样，在不可思议的摆动的弧线上摇摆。
Some oscillation of the fuselage had been noticed on early flights.
在之前的几次飞行中，就察觉到了机身有些摇晃。
