| 单词 | clear air turbulence |
| 释义 | clear air turbulence in American English turbulent air, not associated with a storm, that affects the flight of aircraft clear-air turbulence in American English (ˈklɪərˈɛər) noun atmospheric turbulence, sometimes severe, occurring in air devoid of clouds or other visible indicators that turbulence might be present Abbreviation: CAT Word origin [1950–55]This word is first recorded in the period 1950–55. Other words that entered Englishat around the same time include: action painting, conflict of interest, hot line, point spread, wiretapExamples of 'clear air turbulence' in a sentence |
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