- plain
 - [plein]
 - adj. 平的;简单的;朴素的;清晰的
n. 平原;[计]无格式;朴实无华的东西
adv. 清楚地;平易地 
同义词
           
       参考例子
           - 1.A river intersects the plain.
 - 一条河贯穿那片“平原”。
 
- 2.In plain carbon steel, carbon is the only alloy element.
 - 只有在普碳钢中,碳才是唯一的合金元素。
 
- 3.She painfully explained her complaint about the plain chain.
 - 她痛苦地解释了她对朴素链条的抱怨。
 
英文解释
           - n.
 - 1.extensive tract of level open land
 - 2.a basic knitting stitch
 
- v.
 - 1.express complaints, discontent, displeasure, or unhappiness
 - 2.clearly revealed to the mind or the senses or judgment
 - 3.not elaborate or elaborated; simple
 - 4.lacking patterns especially in color
 - 5.not mixed with extraneous elements
 - 6.free from any effort to soften to disguise
 - 7.lacking embellishment or ornamentation
 - 8.lacking in physical beauty or proportion
 
- adv.
 - 1.unmistakably (`plain' is often used informally for `plainly')
 
网络释义
               - plain
 - 平原; 平的,平纹布; 平纹; 普通的;
 
- plain noodle
 - 阳春面;
 
- Plain flour
 - 中筋面粉; 中筋面粉/面粉; 面粉; 普通面粉;
 
- PLAIN WEAVE
 - 平纹梭织; 平布; 平织; 平纹布;
 
- flood plain
 - 泛滥平原; 河漫滩; 漫滩; 洪泛平原;