1、plain英[pleɪn]美[pleɪn]。 2、adj.清楚的; 明显的; 浅白的; 坦诚的; 直率的; 直接的; 不尚修饰的; 朴素的; 简单的; 3、n.平原; 4、adv.(用于强调)简直，绝对地; 5、[例句]The wide plain, with thousands of animals on the move, was an awesome spectacle...