吃透英语课本，提升在校竞争力
v. 振动；颤动
现在分词：vibrating
第三人称单数：vibrates
过去式：vibrated
过去分词：vibrated
As air passes over our vocal cords, it makes them vibrate.
气流通过我们的声带，使之产生振动。
The floor was vibrating to the beat of the music.
地板随着音乐的节奏在颤动。
vi.振动；颤动；摇摆；踌躇
swing
hesitate
vt.使振动；使颤动
oscillate
