turbulence
/ˈtɜːbjʊləns/noun
mass noun
1- violent or unsteady movement of air or water, or of some other fluid（空气、水等的）紊流, 湍流：
the plane shuddered as it entered some turbulence.
飞机飞进湍流时, 机身剧烈颤动。
1.1
- figurative conflict; confusion〈喻〉冲突; 混乱：
a time of political turbulence.
政治动乱时期。
词源
late Middle English: from Old French, or from late Latin turbulentia, from turbulentus 'full of commotion' （see TURBULENT）.