cam·bi·um
noun/ˈkæmbiəm/
/ˈkæmbiəm/
[uncountable, countable] (plural cambia
(specialist)/ˈkæmbiə/
/ˈkæmbiə/
or cambiums)- a layer of cells inside the stem of a plant. Cambium cells grow into material that is needed to feed the plant.
植物茎内的一层细胞。形成层细胞生长成植物所需的物质。 Word Originlate 16th cent. (denoting one of the alimentary humours once supposed to nourish the body): from medieval Latin, ‘change, exchange’.