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单词 pot sleeper
释义

Definition of pot sleeper in English:

pot sleeper

noun
Railways
  • A circular metal support placed under a railway track.

Origin

Mid 19th century; earliest use found in Scientific American.

Definition of pot sleeper in US English:

pot sleeper

noun
Railways
  • A circular metal support placed under a railway track.

Origin

Mid 19th century; earliest use found in Scientific American.

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更新时间:2025/7/4 16:25:13