Without gravity to help circulate air, the carbon dioxide you exhale has a tendency to form an invisible cloud around your head.
如果没有重力帮助空气循环，你呼出的二氧化碳会在你头顶周围形成一个看不见的云状物。
He scratched his head with a perplexed air, and said: "Well, that beats anything!"
他迷惑不解地搔着头说：“嘿，怎么不灵了呢！”
She never really crawled, but would scoot around with her head on the floor, bottom stuck up in the air.
她从来没有真正地爬过，但她会把她的头放在地板上，屁股翘在空中快速移动。
They cover the entire head and are designed to give 10-15 minutes of clean air, probably all which would be needed.
它们可以包住整个头部，并为你提供10到15分钟的干净空气，这些可能都是你需要的功能。
A woman sticks her head out the window, jabs at the air and shouts, her words unintelligible, voice thick with rage.
一个女人的脑袋倏地从车窗里戳到了空气里，大声嚷嚷着，听不懂她在说些什么，只是声音里带着盛怒。
"We've never had a series that's been developed to air exclusively on TV," says James McFadden, 29, the company's head of creative development.
“我们还从来没有做过专门给电视播放的系列片，”29岁的詹姆斯·麦克费登说。他是这个公司创意开发的头儿。
We leave through the steel doors and head up the ten-story elevator, past the retinal scanner, and through glass Chambers with sliding doors that seem like air locks on a spaceship.
我们从那个大铁门离开，乘着电梯从地下十层来到地上，先通过视网膜扫描，然后穿过一个带有滑动玻璃门好像飞船的空气舱一样的玻璃房间。
Start at the top of your head and focus your attention on your face, your eyes, the coolness of air when you breathe in, the warmth when you breathe out, the tension in your face, and so on.
从你的头顶开始，然后集中注意到你的脸部，眼睛，你吸入的清凉的空气，你吐出的温热的空气，脸部的紧张感等等。
Air France flight 447 did not break up in the air but plunged vertically into the Atlantic Ocean, according to the French head investigator of last month's crash, which killed all 228 people on board.
据本次调查的法国负责人称，法航第447次航班的客机并没有在空中解体，而是直挺挺的坠入了大西洋。此次空难造成机上228名人员遇难。
And he had to be playing defense when Jacob went out for a pass and jumped in the air just high enough so that Cameron's head smashed into his legs.
卡梅隆得提议玩一个新游戏，而且这个游戏还能让他有机会用头去撞雅各布的腿。
"The RAAF Super Hornet will bring a new generation of air power to Australia," said Group Capt. Steve Roberton, Head Air Combat Transition Office, RAAF.
RAAF空战办公室负责人Steve Roberton上校介绍说，RAAF的超级大黄蜂战斗机将带来新一代的空军力量，其先进的网络化武器系统将通过空对空频谱为澳大利亚增强至关重要的空军战斗、战略陆地和海洋攻击能力。
Each time I turn, she's still there, both arms in the air, her head following the rhythm.
我每次回头，都看到她还站在那儿，双手在空中挥舞，头随着节奏一点一点。
When the head begins to heat up, yawning acts as a natural "thermostat" by allowing cool air to rush in and bring the brain back down to a healthy temperature, research suggests.
科学家研究发现，当人的大脑开始出现过热时，打呵欠的动作就充当天然的“自动调温器”，让清凉的空气进入大脑，使大脑温度恢复到健康水平。
He tipped Carpluk's head back, carefully pinched her nose, and breathed several puffs of air into her mouth.
他让卡普拉克的头后仰，小心地捏住她的鼻子，向她嘴里吹气。
I can hear blood rushing in my head, the air conditioning system humming, cars whooshing by on Lake Shore Drive.
我可以听到血液在我脑中膨胀，空调系统嗡嗡作响，汽车飞快的驶过湖滨道。
Systemwide air traffic is down 22% since 2000, and controller head count is slightly higher than it was that year.
自2000年起，航空交通全系统缩减了22%，控制员人数却要比那一年稍微高一些。
Using extremely quiet dual-fans at the end of the bed, cool air is pulled in from behind your head and circulated through the soft membrane which also ACTS as an air-cushion.
这款在床脚位置添加了消音双页扇的床，清凉的空气可以从头的位置进入并在起气垫作用的柔软的薄膜间循环。
And then, without stirring, without even moving her head, she began to stare all about her with wide-open eyes and a joyous air, and she said nothing more.
于是她不动弹，不摇头，只用她一双睁大了的眼睛向四处望，神情愉快，不再说话了。
Lean back, and then throw your head and body forward when you spit, allowing both the air and the water to force your seed forward through the tunnel of your tongue.
吸气时先后倾，吐的时候头和身体再前倾，让气流和口水推动瓜籽经由舌头勇往直前。
I started, and now I simply changed the personal-like, that an air full of little girls, but now hung his head, grimacing.
开始的我，和现在的我简直变了个人似的，那个神气十足的小女孩，现在却耷拉着脑袋，愁眉苦脸。
This was apparently the result of a severe head injury incurred when he was hit by a car and flew a long distance in the air before coming down hard on concrete.
他曾被车撞过，被撞出了很远才重重地摔在硬硬的水泥地上。
But Scott Carson, who became head of sales late last year, has produced a spectacular run of orders, including huge deals from Air India and Air Canada (both long-time Airbus buyers).
可是ScottCarson去年晚些时候成为销售主管以后，却带来了订单的长足进步，包括印航和加航的大笔生意(两者都是空客的长期客户)。
“It’s a non-stop game,” says General Michael Kostelnik, the head of the Border Patrol’s air and marine division.
“这是一场不会结束的游戏”，MichaelKostelnik将军如是说，他是海空边境巡逻部门的领导。
"It's a non-stop game," says General Michael Kostelnik, the head of the Border Patrol's air and Marine division.
“这是一场不会结束的游戏”，MichaelKostelnik将军如是说，他是海空边境巡逻部门的领导。
Not a cloud in the air, with no wind, head round the sun, all the trees are listlessly, lazily standing there.
空中没有一片云，没有一点风，头顶上一轮烈日，所有的树木都没精打采地、懒洋洋地站在那里。
U.S. Air Force research shows your brain can recognize a word in less than five-hundredths of a second, while it takes a quarter of a second—five times longer—to say it in your head.
美国空军研究表明我们的大脑可在0.05秒内认出一个字，而脑中默念这个字则需要0.25秒，多出四倍时间！
General Alessandro Pera, Head of the Programme, made the statement following the Dutch Air Force Joint Project Optic Windmill 2010 exercise, which concluded on 16 July.
在荷兰空军联合军演项目“光风车2010”上，项目主管AlessandroPera将军作了上述声明，在演习中，北约的主动分层战时弹道导弹防御项目将进行一系列的重要测试。
General Alessandro Pera, Head of the Programme, made the statement following the Dutch Air Force Joint Project Optic Windmill 2010 exercise, which concluded on 16 July.
在荷兰空军联合军演项目“光风车2010”上，项目主管AlessandroPera将军作了上述声明，在演习中，北约的主动分层战时弹道导弹防御项目将进行一系列的重要测试。
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