形容词 [usually adjective noun] b1 a plain object, surface, or fabric is entirely in one colour and has no pattern, design, or writing on it. A plain gold ring with no ornamentation their website is fairly plain, but very easy to navigate. A plain gold ring with no ornamentation their website is fairly plain, but very easy to navigate.
Do you prefer plain or striped shirts? Plain white 清蛋白液 plain language 明语;普通语言 plain water 淡水 plain bearing 滑动轴承; 面轴承;普通轴承;滑体轴承 plain carbon steel 普通碳钢;碳素钢 plain boiled water 白开水. Do you prefer plain or striped shirts?
She was dressed very soberly in a plain grey suit. In general, a plain carpet makes a room look.