Plain of厄斯垂伊伦
plainadj.清楚的;简单的;坦白的;平常的;朴素的;纯的n.平原;广阔的区域adv.完全地;纯粹地
plain weft knitted fabric纬平针织物
plain square cut off ends端部切平齐
plain and simple language浑朴的语言
Plain-capped Starthroatn.素顶星喉蜂鸟
Plain river network areas平原河网区
plain but wholesome meals清淡却有益于健康的饭菜