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!
电风扇使空气流通。
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.
空气流动。
打开窗户，让房间空气流通。
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.
设法改善病人居所的空气流通状况。
盘表控制进入真空管空气流量。
The driver used the dial mounted on the dash to control the flow of air into the vacuum chamber.
你最好是打开窗子让空气流通.
观察一个旋转轴与空气流动方向垂直的足球(见上图)。
Consider a ball that is spinning about an axis perpendicular to the flow of air across it (see left).
如果打开窗口，家里的空气流通也不充足的话，开吊扇。
If there isn't enough air flow through the home by opening the Windows, try turning on ceiling fans.
农民们还用大扇子扇风使空气流动，来防止柑橘发生霜冻。
The farmers are also using large fans to circulate air over orange groves and prevent freezing.
最后，在储藏容器和储藏室墙壁之间留有一定的距离，以便空气流通。
Finally, airflow must not be restricted. Leave space between the food containers and the walls of the storage area.
有些人怀疑是桥基的问题，其他人则认为是空气流型的问题。
Some commentators suspected the bridge's foundations, others an unusual air pattern.
当堵塞发生时，空气流经咽喉的后部会引发振动，从而发出鼾声。
When that happens, air vibrates as it flows past the tissues in the back of the throat, which produces the snoring sound.
罐中的风扇使空气流过过滤器，这样净化的空气通过软管达到面具。
The canister USES a fan to force air through the filter, and then the purified air runs through a hose to the mask.
著名皇室格林汉姆·查普曼，可能正在考虑一只燕子飞行的空气流速。
A remarkably regal Graham Chapman, probably thinking about the air speed velocity of a swallow.
例如，塔中心设计成一种烟囱的样式，保证空气流通，用以供给自然通风。
For example, the central tower will serve as a kind of chimney that keeps air flowing to provide natural ventilation.
鼓风机是无声的，并通过过滤器使空气流动来赶走虫子、蚊子和敏感物体。
The blower is silent and runs the air through a filter that supposedly removes all bugs, moisture and allergens.
为沙漠降温的沙尘可以改变当地的空气流通方式并且减少周边地区的降雨量。
Dust that cools a desert can change local airflow patterns and lessen the amount of rain that falls in surrounding areas.
正确认识空气流过表面的过程将提供工程师更多关于阻力的详细信息 ”他说。
Accurate knowledge of how this air flows over a surface will provide engineers with more detailed information about resistance,” he says.
电风扇比空调能效更高，但它们只能使空气流动，而实际上并不是使空气降温。
Electric fans are more efficient than air conditioning units, but they only move air around as opposed to actually cooling it.
仰睡会让舌头滑落到咽喉部位，减小了呼吸道的面积，一定程度上阻塞了空气流通。
When you sleep on your back, your tongue falls backwards into your throat which can narrow your airway and partly block airflow.
他们发现，在一定时间内关闭空气流通可以最大程度上减少氮和有机化合物的含量。
They found that turning the air off for a set amount of time maximized nitrogen and organic compound removal.
这样的设计可以保证空气流通、减小真菌腐化谷物并阻止一些啮齿类动物破坏谷物。
That would have allowed air to circulate, reducing the risk of fungal spoilage and providing some protection against rodents.
这样的设计可以保证空气流通、减小真菌腐化谷物并阻止一些啮齿类动物破坏谷物。
That would have allowed air to circulate, reducing the risk of fungal spoilage and providing some protection against rodents.
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