The staple food also consisted of three castes: steamed bun of wheat flour, steamed bun of maize flour and steamed bun of broomcorn flour.是什么意思_The staple food also consisted of three castes: steamed bun of wheat flour, steamed bun of maize flour and steamed bun of broomcorn flour.在线翻译_英语_读音_用法_例句