普通墙
plain───n.平原；无格式；朴实无华的东西；n.(Plain)人名；(英)普莱恩；(法)普兰；adj.平的；简单的；朴素的；清晰的；adv.清楚地；平易地
plain rice───n.白饭
plain tarousahe───平原塔鲁萨河
plain language───明语；普通语言
dark plain───暗平原
by plain───平装
plain nasty───非常肮脏的；非常恶心的
wall to wall───遍地皆是
plain facts───明显的事实
knows the essentials of home decor such as beds, tables, and wall units for the TV, but there are some neat home decor accessories that are just plain fun!───众所周知的家居生活必需品包括床、桌子、放电视机的靠墙组合柜，但也有一些巧妙的家居装饰用品纯粹是为了好玩。
This was my video submission for a singing competition back in 2006, it is literally just a camera and myself in front of a plain wall.───这是我在2006年时参加歌唱比赛的影片，当是只是用一个简单的摄影机在简单的场地拍摄。
like a painting or some reflective wood panels added on a plain wall may be used to reduce monotony.───像一副绘画或一些反光木板可以嵌在素面的墙上减少其单调性。
Variety like a painting or some reflective wood panels added on a plain wall may be used to reduce monotony .───像一副绘画或一些反光木板可以嵌在素面的墙上减少其单调性。
eg: The picture may be seem to (its best) advantage against a plain wall.───这幅画衬在素墙上就更加（格外）好看了。
Prevention of hollowing in earthenware clay facing bricks of imitation plain wall of insulating mortar system───保温浆料系统仿清水墙陶土面砖空鼓预防
The picture may be seen to advantage against a plain wall.
All the living and bedrooms are placed on the south side, facilitating the effective area of plain wall on the north.