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单词 nutational
释义

nutant /nūˈtənt/

adjective
  1. Nodding
  2. Drooping
ORIGIN: L nūtāre to nod

nutateˈ intransitive verb

  1. To nod
  2. To droop
  3. To perform a nutation

nutāˈtion noun

  1. A nodding
  2. A fluctuation in the precessional movement of the earth's pole about the pole of the ecliptic (astronomy)
  3. The sweeping out of a curve by the tip of a growing axis (botany)
  4. The periodic variation of the inclination of the axis of a spinning top (or gyroscope) to the vertical (physics)

nutāˈtional adjective

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更新时间:2024/11/10 11:38:21