Blood vessels in the head tighten to stop the loss of body heat and then relax to let blood flow rise; that sudden rush of blood is what causes the headache.
头部的血管收紧以阻止身体热量的流失，然后放松让血液流动起来，血液的突然涌入是引起头痛的原因。
While riding a bus in 2012, Malala was shot in the head by a Taliban gunman.
2012年，马拉拉在乘坐公交车时被一名塔利班枪手击中头部。
The next day, when Ali was milking the cow, Albert hit the cow in the head.
第二天，当阿里正在挤牛奶时，艾伯特打了奶牛的头。
The bulb acts rather like a cap—it encloses the end of the hair in the head.
毛囊的作用有点像帽子——它将发根紧紧地附于头皮上。
"Sometimes life hits you in the head with a brick," he said. "Don't lose faith."
“有时候，生活会给你当头一棒。”他说，“不要失去信心。”
In "The Song of the Wandering Aengus," I talked about the kind of flickering passion and the fire in the head that sends Angus out on his quest.
在《流浪者安古斯之歌》里，我讲了促使安古斯追逐的那种燃烧的激情和头脑里的火焰。
The inner envelope filled with helium in the head section of the blimp and the third built-in airbag at the tail is filled with ethane combustible gas.
飞船头部的内置气囊中充满了氦气，而置于尾部的第三节内置气囊则充满了乙烷可燃气体。
Dad comes up from the basement in his gimpy comic trot, concerned, takes a bullet in the chest, drops to his knees, takes one in the head, and that's that.
爸爸滑稽地一瘸一拐从地下室里小跑上来，结果胸口挨了一枪，跪倒在地，接着头上又中了一枪，就这样完了。
Victor shoots Mila in the head killing her.
维克多开枪射中了米拉的头部，杀死了她。
Barcelona has scored 17 of the last 19 goals in the head-to-head series.
巴萨赢的了一系列势均力敌的比赛中19个进球的17个。
When I punted him in the head, he went limp and his hands fell to the concrete.
我他的头上猛踢了脚，他就蔫了，手耷拉到水泥地面。
Barcelona has scored 17 of the last 19 goals in the head-to-head series.Oof.
在近年的世纪大战中，巴萨打入了19球中的17球。
The Arizona congresswoman was shot in the head in a January assassination attempt.
他的妻子是亚利桑那州的议员，在1月一次袭击中头部中弹。
"Hit an 11-year-old girl in the head," he says, "and there is all hell to pay."
他说：“有个11岁的小女孩就被误伤到头部，警察有的赔了。”
Ms Baburova chased the killer; he turned and shot her in the head, and she later died.
巴布诺娃女士追着凶手，凶手调头一枪击中她的头部，没过多久，她也死了。
Ultimately faith is not in the head or the heart but in the action of a sustained commitment.
真正的信仰并非存于头脑或者内心它透过承担诺言的举动而显现。
Witnesses say a man walked up, shot him in the head, threatened bystanders and fled in a car.
目击者称，一个大摇大摆走进来的男人开枪射击他的头部，并且恐吓周围的人，接着开车逃跑了。
Most of them turned back, though word has it that the man who spoke up got a stone in the head later.
虽然大多数人回去了，但听说刚才大声喊叫的男人不久遭石块砸中头部。
Tension headache (the most common type) is caused by muscle tension in the head, neck, and shoulders.
紧张性头痛(最常见的一种)是由头部、颈部和肩部的肌肉紧张引起的。
In the summers, she taught in the Head Start program and worked at an officers' club on a military base.
在夏天，她在一个幼儿教学计划里教书，同时，她也在一个军事基地里的军官俱乐部工作。
If you include this in the head of your webpage, in an IE conditional comment, your page will render just fine.
如果你将其以IE选择性注释包含在网页的头部，你的页面就能正常渲染了。
Although we had some excellent knowledge in all of these areas, much of it was in the head of the team lead.
虽然我们在这些领域有着非常好的知识背景，但是这些知识多数是在团队领导的头脑里。
Or they can be a simple voice in the head, like the one Tammy heard as she was driving along one night in thick fog.
或者他们也可能是人们脑海里的一个简单的声音，就像泰米在大雾笼罩的夜晚独自驾车时听到的一样。
We don't know what the percentage of people who survive a bullet in the head is, but we're pretty sure it's very slim.
我们不知道人的头部中弹活下来的几率是多少，但是我们很肯定的是，那样的几率凤毛麟角。
The inner envelope holds helium in the head section of the blimp and an ethane fuel gas in the three tail sections.
飞船头部的内置气囊中充满了氦气，而置于尾部的第三节内置气囊则充满了乙烷可燃气体。
By clicking a product in the revenue list, open those rules that contain the selected product in the head of the rule.
单击此收入列表中的一个产品，打开在规则头内包含所选产品的那些规则。
But it isclear that the only thing in the head is the brain, and that the mind, in thedeepest of senses, is elsewhere.
不过，我们清楚的是：颅腔内只有脑，而意识（从深层次意义上说）却在别的什么地方。
Of course we all know the fairy tale about Chicken Little who assumesthe sky is falling when he gets hit in the head by an acorn.
当然我们都知道这样一个童话故事，小鸡认为天空塌下来了，因为一个果子击中了他的头。
After losing one point, he whacked himself in the head a few times with his racket.After another, he pounded his leg with the racket.
在丢掉一分后，他用球拍猛击自己的脑袋几下，在丢掉另一分后又用球拍狠击自己的大腿。
After losing one point, he whacked himself in the head a few times with his racket.After another, he pounded his leg with the racket.
在丢掉一分后，他用球拍猛击自己的脑袋几下，在丢掉另一分后又用球拍狠击自己的大腿。
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