下沉到海水表面的空气也会顺流而下到赤道附近，在那里它又变强，加强热带地区高空大气的西风。
The sinking air is also carried along the surface to the equator, where it rises again, strengthening the already-powerful western winds in the upper atmosphere in the tropics.
体验热带岛屿的沙滩或者火山岛高耸的山峰是美好的，那么从高空观赏它们也同样将会令人激动。
While experiencing a tropical island from its sandy beaches, or a volcanic island from its towering peaks is wonderful, experiencing them from above can be inspiring as well.
它能在气温达冰点以下的高空工作，又能在热带地区机场的高温条件下工作。
It must work both at high altitudes where the temperature may be below freezing point and in the hot air of an airfield in the tropics.
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