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单词 cold frame
释义

WordReference Random House Unabridged Dictionary of American English © 2024
cold frame′, 
  1. a bottomless, boxlike structure, usually covered with glass or transparent plastic, and the bed of earth that it covers, used to protect plants.
  • 1850–55

Collins Concise English Dictionary © HarperCollins Publishers::
cold frame n
  1. an unheated wooden frame with a glass top, used to protect young plants from the cold
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更新时间:2025/7/23 17:14:21