农民们通过风力来实现种子的广泛传播。

Farmers rely on wind for the ___dispersal of seeds over large areas.

保安人员迅速组织人群的疏散以防止踩踏事故。

The security team quickly organized the ___dispersal of the crowd to prevent a stampede.

风帮助种子传播到更远的地方。

The wind aids in the ___dispersal of seeds to distant places.