| 单词 | oscillate |
| 释义 | oscillate v. 1. intr. & tr. a swing to and fro like a pendulum. b move to and fro between points. 2. intr. vacillate; vary between extremes of opinion, action, etc. 3. intr. Physics move with periodic regularity. 4. intr. Electr. (of a current) undergo high-frequency alternations as across a spark-gap or in a valve-transmitter circuit. 5. intr. (of a radio receiver) radiate electromagnetic waves owing to faulty operation. Derivatives oscillation n. oscillator n. oscillatory adj. Etymology: L oscillare oscillat- swing |
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