clear-air turbulence

clear-air-turbulence的音标和读音：
DJ音标发音： [ˈkliəˈɛər]
KK音标发音： [ˈklɪrˈɛr]

clear-air-turbulence的词性：
n.Abbr. CAT（名词）缩写 CAT

1. A 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