Cold frame

（重定向自Coldframe）

In agriculture and gardening, a cold frame is a transparent-roofed enclosure, built low to the ground, used to protect plants from adverse weather, primarily excessive cold or wet. The transparent top admits sunlight and prevents heat escape via convection that would otherwise occur, particularly at night. Essentially, a cold frame functions as a miniature greenhouse to extend the growing season.

单词	Coldframe
释义	Coldframe 原声例句 VOA慢速英语_娱乐 A good place to harden off seedlings is in a partly protected area outside the home, such as a coldframe. 健化期较为合适的摆放地点是室外受到部分保护的区域，比如冷床。英语百科 Cold frame （重定向自Coldframe） In agriculture and gardening, a cold frame is a transparent-roofed enclosure, built low to the ground, used to protect plants from adverse weather, primarily excessive cold or wet. The transparent top admits sunlight and prevents heat escape via convection that would otherwise occur, particularly at night. Essentially, a cold frame functions as a miniature greenhouse to extend the growing season.
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