adj. 形容词清楚的；坦诚的；单色的；朴素的；普通的；明显的；相貌平平的；平针的；完全的
n. 名词平原；平针
adv. 副词显然
The dress she wore was simple and plain.
她穿的裙子很简单而且朴素。
He prefers his coffee plain, without any sugar or cream.
他喜欢喝清淡的咖啡，不加糖或奶油。
The instructions were written in a plain and easy-to-understand manner.
说明书是用一种简单明了的方式写的。
She decorated her room with plain white walls and minimal furniture.
她用朴素的白墙和极简家具装饰了她的房间。
The landscape was a vast expanse of plain fields and open skies.
景观是一片平坦的田野和辽阔的天空。
He wore a plain black T-shirt with no logos or designs.
他穿了一件没有标志或设计的纯黑T恤。
The food was plain but delicious, with natural flavors shining through.
食物很简单但美味，自然的味道凸显出来。
Her speech was delivered in a plain and straightforward tone.
她的演讲以直截了当的语气进行。
They lived in a plain house on the outskirts of town.
他们住在城镇边缘的一座普通房子里。
The book cover was plain, with just the title and author's name.
书的封面很简单，只有书名和作者的名字。
plain sailing 一帆风顺
plain as day 显而易见
plain English 简单明了的英语
plain truth 事实真相
plain clothes 便衣
plain yogurt 原味酸奶
复数: plains;
比较级: plainer;
最高级: plainest;
名词: plainness;
n. 名词公寓；平地；平面；瘪的轮胎
v. 动词住公寓
adj. 形容词平坦的，扁平的；水平的；浅的，瘪的；断然的；停滞的；平淡的；无泡的；没电的；降半音的
adv. 副词平躺地；断然地；比标准音低地
adj. 形容词易懂的，清楚的；显然的；透明的；明亮的；畅通的；晴朗的；光洁的；无愧的；远离的
v. 动词理清；清除；（雾霭）退去；跳过；兑现，结算；批准；证明无罪
adv. 副词一直，径直；不靠近
