plains 是 plain 的複數plainKK [ˋplen] /ˈpleɪn/形容詞1清楚的、明白的、顯而易見的It was plain to everyone that she had been crying.大家都看得出來她剛剛哭過。2樸素的、簡單的、不花俏的They served plain food, but everything tasted fresh.他們端出來的是家常菜，但每一樣都很新鮮。3素色的、無圖案的I prefer a plain shirt to one with stripes.我比較喜歡素色襯衫，不喜歡有條紋的。4直率的、坦白的、不客氣的Let me be plain with you about the risks involved.關於其中的風險，我就跟你直說了。5純粹的、十足的、完全的強調用法Ignoring the warning signs was plain stupidity.無視那些警告標示簡直就是愚蠢。顯示全部 9 個義項形容詞6不好看的、長相平庸的委婉She described herself as a plain but confident woman.她形容自己是個長相普通但很有自信的女人。7平坦的The road ran across the plain, dry countryside.那條路橫越乾燥平坦的鄉間。名詞1平原、平地常用複數Herds of wild horses still roam these northern plains.成群的野馬仍在這片北方平原上奔馳。副詞1簡直、完全、根本口語His answer was just plain wrong, and everyone knew it.他的答案根本就是錯的，大家心裡都清楚。