cold frame 的英语意思
cold frameˈcold frame noun [countable] British English 
查看全部语言翻译 a box-like structure with sides and a top made of glass or clear plastic, used for keeping young plants warm as they start to grow一种箱形结构，四壁及顶部由玻璃或透明塑料制成，用于在幼苗生长初期为其保温
查看全部语言翻译 a box-like structure with sides and a top made of glass or clear plastic, used for keeping young plants warm as they start to grow一种箱形结构，四壁及顶部由玻璃或透明塑料制成，用于在幼苗生长初期为其保温