compound vortex

• 复合旋涡,复合式涡流

compound vortex的用法和样例：

例句

1. They were both caught up in a whirling vortex of emotion.
   他们俩人都陷入了感情的旋涡。
2. Research on Dilute Parti-cles Motion in Secondary Vortex Flow.
   旋涡二次流中稀疏颗粒的运动特性研究。