In the intergranular spaces of rocks, however, fluid must flow around and between grains in a tortuous path; this winding path causes a resistance to flow.
然而,在粒间孔发育的岩石中,流体必须在颗粒周围的曲折通道中流动;而这种曲折通道会对其流动产生阻力。
It might be one slightly different tree trunk, a path winding through, or a splash of color on a flowering vine.
一个有点特别的树干、一条曲折的小径、或者一个花藤上五彩斑斓的颜色都是很好的拍摄主体。
The path Obama had to navigate as he built an identity and found friends and allies within the world of Chicago's African American politics was a winding one.
当奥巴马在芝加哥的非裔美国人世界里立足脚跟,确立了朋友和敌人时,他探索的航线是曲折的。
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