头发用英语说法是hair。
一、发音
英：[/heə(r)/]；美：[/her/]
二、中文翻译
n.汗毛，毛发，（尤指）头发；（动物的）毛，茸毛；<废>性质，特性；（植物叶茎上的）茸毛；毛状物，发毛织物；些微，一点儿
adj.毛发的，用毛发制的，保护毛发的
v.去除......的毛发；产生（或生长）毛发；形成毛状纤维
三、形式
复数：hairs
四、短语搭配
curly hair 卷发
straight hair 直发
brush your hair 梳头发
colour your hair 染头发
cut your hair 剪发
dry your hair 弄干头发
五、双语例句
1.He still has a good head of hair.
他的头发依然很多。
2.Did she use to have long hair?
她过去留长发吗？
3.Did you see the length of his hair?
你看见他头发有多长吗？
4.He's had his hair cut really short.
他头发理得真短。
5.Her hair whipped around her face in the wind.
她的头发随风在脸际飘拂。
6.Theirs are the children with very fair hair.
他们的孩子是那些长着满头金发的。
六、用法
1.指“（人、动物的）毛，茸毛，汗毛”时是可数名词，可与数词连用表示具体数量（如几根），也可用a few/many/several等修饰表示不定数量；
2.泛指“头发”时，指人的整个头发，是集合名词，不可数。
头发用英语表达说法是“hair”，hair具体解析如下：
1、音标： 英 [heə(r)] 美 [her]
2、意思：
n. 头发；毛发；极少量
v.生长(或产生)毛发
3、词语搭配：
arrange one's hair 整理头发
brush one's hair 梳理头发
color sb's hair 给某人染发
comb one's hair 梳头
cut (off) sb's hair 给某人削发
false hair 假发
flowing hair 平滑的头发
golden hair 金黄色的头发
grey hair 灰白头发
light hair 稀疏的头发
long hair 长发
in one's hair 头发上
a coat of hair 一身毛
a lock of hair 一绺头发
4、用法：
hair指“(人、动物的)毛，茸毛，汗毛”时是可数名词,可与数词连用表示具体数量(如几根),也可用a few, many, several等修饰表示不定数量。
hair泛指“头发”时,指人的整个头发,是集合名词,不可数。
5、例句：
His hair was carefully arranged.
他的头发梳理得很仔细。
The barber had cut your hair very short.
理发师把你的头发剪得很短。
Girls used to put their hair up on their seventeenth birthdays.
过去的姑娘17岁生日时就把头发束起来。
Mary asked me to help her to bind up her long hair.
玛丽让我帮她把长发扎起来。
hair 美 [her] 英 [heə(r)]
n. 头发；毛发；vt. 除去…的毛发；
vi. 生长毛发；形成毛状纤维；adj. 毛发的；护理毛发的；用毛发制成的
hair的复数形式：hairs；形容词：hairy；名词：hairiness
常见搭配+例句：
long hair 长头发
My mother has beautiful long hair.
我的妈妈有一头漂亮的长发。
white hair 白发
She suddenly noticed that her mother has several strands of white hair sticking out in contrast on her brunette head.
她忽然注意到她妈妈有几根白发从满头的棕色头发中显露出来。
cut hair 理发
"Why do you cut hair outdoors? " I asked " Is it too expensive to rent a shop? "
“你为什么在室外理发呢，租个店很贵吗？”我问他。
brush hair 梳头发
After washing, starting from the bottom , gently brush hair using a downward motion and gradually move up until all of the hair is brushed.
清洗过之后，从底部开始，轻轻地向下梳头发，并且逐渐向上使整个发片都被梳理到。
注：
hair指“(人、动物的)毛，茸毛，汗毛”时是可数名词，可与数词连用表示具体数量(如几根)，也可用a few，many， several等修饰表示不定数量。
hair泛指“头发”时，指人的整个头发，是集合名词，不可数。
头发用英语表达为hair，解析如下：
一、音标： 英 [heə(r)] 美 [her]
二、意思：
n. 头发；毛发；极少量
三、词语搭配：
arrange one's hair 整理头发
brush one's hair 梳理头发
color sb's hair 给某人染发
comb one's hair 梳头
cut (off) sb's hair 给某人削发
do sb's hair 给某人做头发
do up one's hair (女人)梳理头发,把头发盘起来
dress one's hair 梳理头发
beautiful hair 美丽的头发,秀发
black hair 黑发
brown hair 褐色的头发
smooth hair 光滑的头发
soft hair 柔软的头发
straight hair 直挺的头发
thick hair 浓密的头发
四、用法：
hair指“(人、动物的)毛，茸毛，汗毛”时是可数名词,可与数词连用表示具体数量(如几根),也可用a few, many, several等修饰表示不定数量。
hair泛指“头发”时,指人的整个头发,是集合名词,不可数。
五、例句：
She is combing her matted hair.
她正在梳理她那乱蓬蓬的头发。
That dress matches her red hair.
那件连衣裙和她的红头发很相配。
She patted her hair to be sure that it was neat.
她轻拍头发使之整齐。
She put up her hair and suddenly she was precipitated into maturity.
她把头发束起,一下子就变得像大人了。
His hair was carefully arranged.
他的头发梳理得很仔细。
The barber had cut your hair very short.
理发师把你的头发剪得很短。