geometric spreading

• 几何散开

geometric spreading的用法和样例：

例句

1. The radioactive cloud reaches a height of several miles before spreading out abruptly into a mushroom shape.
   放射性云在上升达几英里高度后才猛然散开成蘑菇状。
2. Spreading out and taking evasive action was the natural reaction to concentrated flak ahead, but it was forbidden for two reasons.
   面对前方猛烈高炮火力，本能反应是散开队形，做出闪避动作，但由于两个原因，这种本能反应遭到禁止。