阵阵强冷气流从山上席卷下来。
脸上的一股急促的气流惊醒了我。
鸟利用暖气流助飞。
我们的情形是在火焰内部产生气流。
气流比以前升得更快。
电风扇使空气流通。
另一方面，摩天大楼对气流的影响导致了空气湍流增加。
On the other hand, air turbulence increases because of the effect of skyscrapers on airflow.
天气状况是如何通过影响气流来提高编队飞行的效率的，这点仍有待观察。
It remains to be seen how weather conditions affect the air flows that make formation flight more efficient.
为了产生抬升力，鸟儿们只要倾斜翅膀，对从身体上方和下方通过的气流稍作调整。
To generate lift, a bird has merely to tilt its wings, adjusting the flow of air below and above them.
然而，羽毛的稀疏分布也使得皮肤表面形成相当大量的侧向空气流动，从而可以通过对流进一步散热。
The sparse distribution of the feathers, however, also allows considerable lateral air movement over the skin surface, thereby permitting further heat loss by convection.
与这些因素相结合的是肌肉之间复杂的相互作用的丧失，这种相互作用可以改变从鼻子到嘴的气流路线。
Coupled with these factors is the loss of the complex interactions among the muscles that can change the route of airflow from nose to mouth.
由于睡眠时呼吸道中的气流阻力更大，并且用于呼吸的肌肉效率有变化，所以在睡眠时呼吸需要用两倍的力气。
It takes twice as much effort to breathe during sleep because of greater resistance to airflow in the airways and changes in the efficiency of the muscles used for breathing.
我们在飞行中遇到了强烈的气流。
鸟类利用上升的暖气流升空。
这架飞机是为经受猛烈的气流而设计的。
风是由热空气上升产生真空而引起的空气流动。
Wind is a current of air caused by a vacuum caused by hot air rising.
威廉姆斯博士尝试了一种带有风扇以保持空气流动的新温室。
Dr. Williams tried a new greenhouse that had a fan to keep the air move.
由于植物会将周围空气中的二氧化碳耗尽，因此需要空气流动将更多的二氧化碳带到其表面！
Since a plant uses it up in the air around, the plant needs moving air to bring more CO2 close to its surface!
然后上升气流将轻盈的、带正电荷的冰晶带到云的顶部。
Then updraft wind currents carry the light, positively charged ice crystals up to the top of the cloud.
一些生物学家称，海洋洋流和空气气流是植物种子传播到夏威夷的原因。
Some biologists argue that ocean and air currents are responsible for the transport of plant seeds to Hawaii.
气流的最大穿透深度随气体动量的增加而增加，而氧气喷枪的直径保持恒定。
The maximum penetration depth of gas flow is increased with the increase of gas momentum while the diameter of oxigen gunjet keeps constant.
空气流动。
把管端做成钟口状可使气流更畅通。
Belling out the end of the tube will permit a freer passage of air.
我们应当经常打开窗户以使空气流通。
We should often open the Windows to allow the air to circulate.
改善机翼上方气流也至关重要。
设法改善病人居所的空气流通状况。
而我们的情形是在火焰内部产生气流。
你感觉到气流从鼻孔出入吗？
降雨冷却了空气，这就向下产生了气流。
Falling rain cools the air as it descends. This creates downward air currents.
高达20%的顶部气流应由侧壁向下流动。
Up to 20 percent of the top airflow should bleed off down the sidewalls.
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