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单词 ripple box
释义

Definition of ripple box in English:

ripple box

noun
  • 1Mining a box containing ripples for use in extracting particles from a flow of water (now rare).

  • 2An electrical device for producing an appearance of ripples.

Origin

Mid 19th century; earliest use found in Alta California (San Francisco).

Definition of ripple box in US English:

ripple box

noun
  • 1Mining a box containing ripples for use in extracting particles from a flow of water (now rare).

  • 2An electrical device for producing an appearance of ripples.

Origin

Mid 19th century; earliest use found in Alta California (San Francisco).

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更新时间:2025/1/31 6:00:55