tuzhiluobo
plain [plein]n. 平原, 草原, 朴实无华的东西, 无格式adj. 简单的, 明白的, 平常的, 不好看的, 朴素的, 清晰的, 普通的, 平坦的, 十足的adv. 清楚地, 显然地例句：The problem is quite plain to us.那问题我们都很明白It is quite plain that he doesn't want to go.很显然他不想去speak plain明白地说
cathryn0603
东北平原,华北平原和长江中下游平原Northeast Plain, North China Plain and the middle and lower reaches of the Yangtze River Plain重点词汇释义东北平原Northeast China Plain华北平原plain of North China; North China Plain长江中下游the middle and lower reaches of Changjiang River平原plain; flatlands; flat country; champagne; Campagna
