brown + n.
作定语，直接放在名词前说明颜色。
She bought a brown leather bag.
她买了一个棕色的皮包。
棕色的
browner — comparative of brown
不环保的；反环保的；褐色的
Having the color brown.
棕色的
Having a brown color/colour.
不环保的；反环保的
Not green (environmentally irresponsible); anti-green (against environmental protection).
She wore a brown coat to the evening event.
她穿着一件棕色外套去参加晚会。
用法提示：brown 是颜色形容词，在句中作定语，修饰 coat，意为“棕色的”。
The leaves turn brown in late autumn.
深秋时树叶变成棕色。
用法提示：brown 是形容词，作系动词 turn 的表语，描述颜色的变化。
My winter coat is browner than yours.
我的冬装外套比你的更棕。
用法提示：browner 是 brown 的比较级形式，作表语，用于比较颜色的深浅。
作定语，直接放在名词前说明颜色。
She bought a brown leather bag.
她买了一个棕色的皮包。
作表语，用在 be、look、turn 等系动词之后。
The leaves look brown in autumn.
秋天树叶看起来是棕色的。
比较级是 browner，用于两者之间的比较。
This coat is browner than the one I saw yesterday.
这件外套比我昨天看到的那件更棕。
最高级是 brownest，前面通常加 the。
That is the brownest leaf in the pile.
那是这一堆里最棕的一片叶子。
grammar · medium
易错句子The table is brown color.
正确表达The table is brown.
brown 是形容词，本身已表示颜色，作表语时直接说 is brown；再加 color 就重复了。这是把汉语“棕色（的颜色）”逐字直译造成的错误。
grammar · medium
易错句子This shirt is more browner than that one.
正确表达This shirt is browner than that one.
brown 是单音节形容词，比较级直接在词尾加 -er（browner），不能同时用 more。汉语用“更”表比较，学生容易把 more 和 -er 叠加，形成 more browner 这样的双重比较级。
棕色的头发
She has long brown hair.
她有一头棕色的长发。
棕色的眼睛
The baby has big brown eyes.
这个宝宝有一双棕色的大眼睛。
深棕色
He wore a dark brown coat.
他穿着一件深棕色的外套。
红糖
Add a spoonful of brown sugar to the tea.
往茶里加一勺红糖。
黑面包；全麦面包
I bought a loaf of brown bread.
我买了一条黑面包。
糙米
Brown rice is healthier than white rice.
糙米比白米更健康。
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