battalion|battalions

这个营有500名士兵，正准备执行新的任务。

The ___battalion consists of 500 soldiers and is preparing for a new mission.

大批志愿者组织起来清理海滩上的垃圾。

___Battalions of volunteers organized to clean up the beach.

一整支志愿者队伍齐心协力为灾区运送物资。

A ___battalion of volunteers worked together to deliver supplies to the disaster area.