Oscillate



GRE 蓝宝 Barron

解释

GRE 红宝书

• v. 摆动; 犹豫
• ［英］ v. 摆动 ( to swing regularly) ; 犹豫 ( vacillate; swing)
• ［记］ oscil ( 摆动) +late -> 摆动
• ［同］ 同根词: oscillatory ( 摇摆不定的) ; oscilloscope ( 示波计) 派生词: oscillation ( n. 振动, 踌躇)

Webster Collegiate

intransitive verb (-lated; -lating)

• Etymology: Latin oscillatus, past participle of oscillare to swing, from oscillum swing
• Date: 1726
• 1.
  • a. to swing backward and forward like a pendulum
  • b. to move or travel back and forth between two points
• 2. to vary between opposing beliefs, feelings, or theories
• 3. to vary above and below a mean value
• Synonyms: see swing
• ? oscillatory adjective

---