When I bowed my head to the ground, I felt a very strong wind pass by my head, and people started to yell at me.
当我的头向地面低下时，我感到一股强风从我脑边划过，人们向我惊叫。
The wind pass the wind-proof and suppressing wall is a typical porous media-fluid coupled flow, the porous medium model can show its working characters well.
气体通过挡风抑尘墙的流动是典型的多孔介质-纯流体耦合流动，多孔介质模型能够良好的反映其工作特性。
However, among all the other populated continents, the all-changing wind of time seems to pass over Africa, leaving its face mainly unchanged for centuries or even millenniums.
不过，与其他人口稠密的大陆不同，总在变化的时间之风似乎越过了非洲，致使其外表在数个世纪乃至数千年间都没多少改变。
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