| 单词 | clear-air turbulence |
| 释义 | clear-air turbulence clear-air turbulence AHD: [klîr“âr“] D.J. [6kl!*6e*]K.K. [6kl!r6Wr]n.Abbr. CAT（名词）缩写 CATA severe atmospheric turbulence that occurs under otherwise tranquil conditions and subjects aircraft to strong updrafts and downdrafts.晴空湍流：一种剧烈的空气湍流，发生在其它方面平静的条件下并使飞行器发生强烈的上下颠簸 |
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