一般火焰的形状包括火苗呈现的水滴状和卷须状，还有整个火焰呈现出来的椭圆形。
Common shapes in fire include teardrops and tendrils for the flames and an elliptical shape for the entire space taken up by the fire.
年初，美国宇航局(NASA)的太阳动力学观测卫星捕捉到太阳上磁场等离子体巨蛇般的卷须状物，它沿太阳表面绵延数十万英里。
Earlier this year, NASA's Solar Dynamics Observatory caught a glimpse of a huge snakelike tendril of magnetic plasma on the sun, extending hundreds of thousands of miles across the surface.
海胆的巢穴在一片太平洋的海藻床离开加利福尼亚提出清楚的对比在外形在卷须海藻和海胆刺状突起之间。
Erns in Nature: Sea Urchins Sea urchins nestled in a Pacific kelp bed off California offer a sharp contrast in shapes between kelp tendrils and urchin spines.
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