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。
If 106-year-old investor Irving Kahn, head of his own family firm, wants to keep coming to work every day, who's going to stop him?
如果现年106岁的投资者、家族企业的掌门人欧文·卡恩想每天都来上班，谁会阻止他？
The head of a string of pigs appeared, snout-up, over the ditch, he had to screech to a stop and watch the rear of the last pig disappear on the other side.
群猪的领头出现了，它仰着鼻子走过水渠，不得不尖叫着停下来，目送最后一只猪消失在另一端。
Matt Hunt said he was "very proud" of his son because when the boy gets an idea, he keeps his head down and gets on with it, and he really does want to do some good and stop young kids from getting asthma.
马特·亨特表示，他对儿子感到“非常自豪”，因为当他有想法时，他会埋头坚持下去，他真的想做一些好事，让孩子们不再染上哮喘。
Stop banging your head against the wall!
别拿自己的脑袋往墙上撞了！
A number of passengers tried to help free the screaming woman from the van wreck while Enzo cradled the old man's head in his lap, holding the green muffler against his scalp to stop the bleeding.
很多乘客试着帮那个尖叫的女人从面包车残骸中解脱出来，同时恩佐把那位老人的头抱在他的大腿上，拿着那条绿色围巾按在他的头皮上止血。
Most of them were like this, "Head towards the north end of the parking lot and as you arrive at the stop light, turn left. Go until you see the third gas station and turn left on the next left.
大多数同学都是这样写的：一直朝北走，到停车场的边上，看到“停止”的信号牌后，转左，朝前走，直到第三个加油站，转左，然后沿着这条街往下走，一直到看见一栋很大的、有一个绿色阳台的红砖楼为止，就向右转，再走，看到一个有栅栏的园子里的三个大的玄武石，然后向左……
If your servers are pooled in a compute cluster, the head node is the only crucial machine; the rest can start and stop and crash freely.
如果服务器部署在计算机集群中，那么最前端的节点是惟一的关键机器；其他机器可以随意启动和停止，崩溃了也不要紧。
Others take cigarette breaks, head to the vending machines, or stop by a co-worker's office for chit-chat as they make their way through the office.
也有人或抽烟休息，或到自动售货机买东西，或在出入办公室时在同事的办公室停下来进行一番闲聊。
But maybe there are some other things we can do to the car to stop a wheel hitting your head.
但也许有其他什么事我们可以做一做，以避免轮胎击中你的头部。
I want to go back to my younger self and whack that younger Leo on the head and say Stop working so hard! Stop watching TV!
我想回到年轻的时代敲打年轻的LEO的脑袋告诉他不要这样拼命工作，不要再看电视，多花点时间和孩子们呆在一起。
Do you stop to help those in need or do you turn your head and walk the other way?
你会停下来去帮助他们吗，或者你转身离开？
A set of pictures shot on the scene showed that a swarm of fans blocked the singer's limousine and one of them even accidentally hit Jackson on the head with an album when he tried to stop the car.
11日见诸于媒体的图片显示，一位狂热的歌迷用一本画册挡住了杰克逊的车，奋力阻止偶像离开，在无意之中打中其头部。
Obviously in pain, Lincoln turns his head and sees the headlights of a single car come to a stop on the roadway above.
Lincoln明显疼得要命，他转动着头，通过辨识车头灯灯光，他意识到有一辆车停在了事故现场的路面上。
At this point in the conversation, however, most developers will stop, cock their head to one side, and ask (quite rightfully), "But... why?"
然而，当话题讨论到这些问题的时候，大多数开发者都会停下来，向一侧仰着头，非常认真的问道“可是……这样的互操作对我们来说究竟有什么用？”
The ribosome finds the appropriate amino acid for each "letter" and assembles them head-to-tail in sequence; other "letters" indicate when to start and when to stop.
核糖体找到每个“字母”的适当的氨基酸，并将它们首尾相连，组成一个序列；其他“字母”表示何时开始以及何时停止。
Three weeks later, Serena is getting better at slowing to a stop sign without a helmet, but she still has a problem staying in the middle of a traffic lane when cars are approaching head on.
三个星期过去了，赛琳娜可以不用带头盔，并已经逐步学会了慢慢地在在信号灯前减速。但是，她还是有一个问题：当在两车相遇时，她还傻傻地呆在道路中间。
Every summer, the scorching sun head, stubborn mother is the next stop in the scorching sun for several hours.
时逢盛夏，烈日当头，固执的母亲在烈日下一站就是几个小时。
Head over to Microsoft's site, download the suite, and set it to auto-scan and auto-update so you can stop fussing with it and get on to the fun stuff.
去微软的官方网站，下载此套装并且设置为自动扫描和自动升级，这样你就不用在受它的打扰，转而去做一些更有意思的事情。
Cuts - cuts to the body, head and feet should immediately be covered with a sterile bandage or cloth and gentle pressure applied to stop the bleeding.
割伤——在狗狗的身体，头部，脚部被割伤时，要立即用无菌绷带或纱布包扎好并按住伤口以止血。
Don't Listen to Yourself: While you meditate, there is a little voice inside your head trying to get you to stop.
不要听从自我：当你冥想的时候，在你脑海中总会有一个声音试图阻止你。
Here, former head coach Jeff Van Gundy, now an analyst with ESPN, Outlines ways to stop some of the game's most potent offensive weapons.
这次ESPN的分析师前主教练范甘迪来讲解防守联盟中的那几个最出色的进攻球员的方法。
The head of a string of pigs appeared, snout-up, over the ditch, and he had to screech to a stop and watch the rear of the last pig disappear shaking into the ditch on the other side.
这时候出现了一群猪，仰着鼻子走过水渠，他只好用一个急刹车，目送着最后一只猪大摇大摆地跨过水沟，消失在另一端。
Dan bound the cloth around his head to stop bleeding.
丹用布包扎头部制止流血。
Dan bound the cloth around his head to stop bleeding.
丹用布包扎头部制止流血。
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