| 单词 | air current |
| 释义 | air current (once / 22951 pages) n WORD FAMILY air current: air currents USAGE EXAMPLESThe show speculates how it might affect ocean and air currents and result in extreme weather conditions such as blizzards, super storms and wildfires. Washington Post(Dec 29, 2016) New research finds that the voyages stalled at the point where prevailing air currents shifted from tailwinds to headwinds. New York Times(Nov 02, 2016) The pitch gains its unpredictable movement from the friction of the air currents as they catch on to the seams of a non-rotating baseball. The Guardian(Sep 23, 2016) n air moving (sometimes with considerable force) from an area of high pressure to an area of low pressure the radioactivity was being swept upwards by the air current and out into the atmosphere Syn|Hypo|Hyper current of air, wind airstream a relatively well-defined prevailing wind calm, calm airwind moving at less than 1 knot; 0 on the Beaufort scale air, breeze, gentle wind, zephyra slight wind (usually refreshing) chinook, chinook wind, snow eatera warm dry wind blowing down the eastern slopes of the Rockies harmattana dusty wind from the Sahara that blows toward the western coast of Africa during the winter crosswindwind blowing across the path of a ship or aircraft foehn, fohna warm dry wind that blows down the northern slopes of the Alps khamsinan oppressively hot southerly wind from the Sahara that blows across Egypt in the spring Santa Anaa strong hot dry wind that blows in winter from the deserts of southern California toward the Pacific Coast high winda very strong wind headwindwind blowing opposite to the path of a ship or aircraft catabatic wind, katabatic winda wind caused by the downward motion of cold air tailwindwind blowing in the same direction as the path of a ship or aircraft doldrumsa belt of calms and light winds between the northern and southern trade winds of the Atlantic and Pacific east wind, easter, easterlya wind from the east northwest wind, northwestera wind from the northwest sou'wester, southwestera strong wind from the southwest sou'easter, southeastera strong wind from the southeast galea strong wind moving 45-90 knots; force 7 to 10 on Beaufort scale blast, blow, gusta strong current of air monsoona seasonal wind in southern Asia; blows from the southwest (bringing rain) in summer and from the northeast in winter monsoonany wind that changes direction with the seasons boreas, north wind, norther, northerlya wind that blows from the north prevailing windthe predominant wind direction samiel, simoom, simoona violent hot sand-laden wind on the deserts of Arabia and North Africa south wind, souther, southerlya wind from the south squallsudden violent winds; often accompanied by precipitation thermalrising current of warm air draft, draughta current of air (usually coming into a chimney or room or vehicle) west wind, westerwind that blows from west to east antitradeswind in the upper atmosphere blowing above but in the opposite direction from the trade winds bise, bizea dry cold north wind in southeastern France sea breezea cooling breeze from the sea (during the daytime) breatha slight movement of the air light airwind moving 1-3 knots; 1 on the Beaufort scale light breezewind moving 4-7 knots; 2 on the Beaufort scale gentle breezewind moving 8-12 knots; 3 on the Beaufort scale moderate breezewind moving 13-18 knots; 4 on the Beaufort scale fresh breezewind moving 19-24 knots; 5 on the Beaufort scale strong breezewind moving 25-31 knots; 6 on the Beaufort scale moderate gale, near galewind moving 32-38 knots; 7 on the Beaufort scale fresh galewind moving 39-46 knots; 8 on the Beaufort scale strong galewind moving 47-54 knots; 9 on the Beaufort scale whole galewind moving 55-63 knots; 10 on the Beaufort scale blustera violent gusty wind sandblasta blast of wind laden with sand jet streama high-speed high-altitude airstream blowing from west to east near the top of the troposphere; has important effects of the formation of weather fronts levanteran easterly wind in the western Mediterranean area mistrala strong north wind that blows in France during the winter puff, puff of air, whiffa short light gust of air line squalla squall advancing along a front that forms a definite line trade, trade windsteady winds blowing from east to west above and below the equator antitrade, antitrade windwinds blowing from west to east and lying above the trade winds in the tropics tramontana, tramontanea cold dry wind that blows south out of the mountains into Italy and the western Mediterranean updrafta strong upward air current downdrafta strong downward air current prevailing westerly, westerlythe winds from the west that occur in the temperate zones of the Earth atmospheric condition, conditions, weather, weather condition the atmospheric conditions that comprise the state of the atmosphere in terms of temperature and wind and clouds and precipitation |
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