air current

基本解释

Cold air and a warm and wet air current will affect most regions in Central and East China starting January 19, bringing rain or snow, the National Meteorological Center forecast.
据中央气象台预报，19日起，受冷空气和暖湿气流的共同影响，我国中东部大部地区将出现较大范围雨雪天气。
www.chinadaily.com.cn
The dust was then trapped in the polar jetstream, a fast-flowing air current that lies just under the stratosphere, and began its "journey around the world" according to the Nature Geoscience journal.
这个沙丘于是被困在了一股极端气流的地方，这个极端的气流是一股快速流动的空气流，而这股空气流是在平流层的下面的，根据自然科学杂志的说法，这个大沙球从此开始了环游世界。
Efficient ventilation and sound air current are significant to improve indoor air quality, control the contamination concentration, and ensure the realization of healthy and comfort air-condition.
有效地通风和合理的气流组织对于改善室内空气品质，控制室内污染物浓度，保证实现健康建筑、健康舒适性空调有着重要的意义。

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