clear-air turbulence

短语

[流] 晴空湍流

词形变化

clear-air turbulences 复数 clear-air turbulences

别名

CAT

释义与例句

n.
  1. 1.

    The erratic movement of air masses in the absence of any visual cues, especially such movement that causes unexpected turbulence to an aircraft.

    可数 不可数

词汇关系

名词

上位词 1