Level 5 · word 11,322 of 20,000

oscillate

/ˈɑːsɪˌleɪt/ American
  • v. 摆动, 犹豫不定
Definition
  • v. to move repeatedly between two positions, or to keep changing one's mind
Example
The fan's head began to oscillate slowly from side to side.
风扇的扇头开始缓缓左右摆动。