单词	cold frame
释义	cold frame noun : a usually glass- or plastic-covered frame without artificial heat used to protect plants and seedlings outdoors Illustration of cold frame Example Sentences Recent Examples on the Web Gregg Curtis, owner of Good Earth, said the original Anne Frank sapling was kept in an unheated, cold frame greenhouse under a shade cloth and watered by hand. Sean Clancy, Arkansas Online, 24 July 2022 Make a cold frame or hotbed to start early vegetables or flowers. oregonlive, 1 Feb. 2022 Both really do need an outdoor greenhouse, cold frame or a really sunny summer window, though there are a few varieties that will fruit outdoors. Jeff Lowenfels, Anchorage Daily News, 7 Apr. 2022 In a way, this is like starting seeds using a cold frame. Jeff Lowenfels, Anchorage Daily News, 10 Feb. 2022 Pull them into an unheated garage, basement, greenhouse, cold frame or similar site. oregonlive, 24 Dec. 2021 Place a portable cold frame over rows of winter vegetables. oregonlive, 1 Nov. 2021 Otherwise, set the open bottom of the cold frame directly on the soil. Rita Pelczar, Better Homes & Gardens, 13 Aug. 2021 The cold frame acts like a mini greenhouse and keeps the vegetables from freezing. Judy Hake, baltimoresun.com/maryland/carroll, 20 Mar. 2021 See More Word History First Known Use 1851, in the meaning defined above cold frame noun as in hotbed Synonyms & Similar Words Relevance hotbed greenhouse botanic garden botanical garden conservatory glasshouse hothouse nursery
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