灰色圈的英文

chill ring

• 灰色:    gray; ashy
• 圈:    circle; ring
• 色圈:    chromosphere; halo ...

例句与用法

1. The centres of the red , blue and grey circles are the forecast positions of the tropical cyclone at different times ( as shown at the upper left corner of the figure ) . the radii of the circles are the respective average forecast errors
   红色、蓝色及灰色圈的中心表示该热带气旋在不同时间的预测位置(时间显示在图左上方) ，半径为相应预测位置的平均误差。