螺旋形

Their profits began to spiral down disastrously.

他们利润开始螺旋形地急剧下降。

Her hair was styled into a cascade of spiral curls.

发被做成了瀑布般螺旋形鬈发。

Through studies on the fluorescence quenching of P3’–P6’ by Rubredoxin, the extent of quenching was found to be stronger in the polymer with more typical features of helix conformation.

10. 研究了P3’–P6’ 对铁硫蛋白Rubredoxin荧光猝灭效应，发现螺旋形构象特越典型聚合物被猝灭效率越高。

In a pennaceous feather, the barbs grow helically around the tubular feather germ and fuse on one side to form the rachis.Simultaneously, new barb ridges form on the other side of the tube.

在正羽上，羽枝以螺旋形绕著管状羽芽生长，在管侧接合在起形成羽轴，同时在管另侧形成新羽枝脊。