oscillate名词

1. be undecided about something; waver between conflicting positions or courses of action;

   "He oscillates between accepting the new position and retirement"
   

2. move or swing from side to side regularly;

   "the needle on the meter was oscillating"
   

1.摆动；（大小）来回变化
If an objectoscillates, it moves repeatedly from one position to another and back again, or keeps getting bigger and smaller.

oscillate的意思

e.g. I checked to see if the needle indicating volume was oscillating.
我查看了那根音量指针是否在摆动。

2.（水平、价值等）波动，浮动
If the level or value of somethingoscillates between one amount and another, it keeps going up and down between the two amounts.

e.g. The share price has oscillated between a five-year high of 157.25p in 1997 and this year's low of 91.5p...
股价一直在1997年创下的5年间最高点157.25便士和今年的最低点91.5便士之间浮动。
e.g. Oil markets oscillated on the day's reports from Geneva.
石油市场因当天来自日内瓦的报道出现了起伏。

3.（情绪、态度或行为）摇摆
If youoscillate between two moods, attitudes, or types of behaviour, you keep changing from one to the other and back again.

e.g. The president of the Republic oscillated between a certain audacity and a prudent realism.
该共和国总统施政风格时而大胆冒进，时而谨慎务实。

• Look at the waves oscillating hither, thither on the beach.

  出自：Carlyle