turbulence

1. N-UNCOUNT Turbulence is a state of confusion and disorganized change. 动荡; 骚乱

The 1960s and early 1970s were a time of change and turbulence. 20世纪60年代和70年代初期是个变革和动荡的年代。

2. N-UNCOUNT Turbulence is violent and uneven movement within a particular area of air, liquid, or gas. 湍流; 紊流

The plane encountered severe turbulence and winds of nearly two-hundred miles an hour. 那架飞机遇到了强湍流和时速近二百英里的强风。