fan out

成扇形展开

例句与用法：

The troops fanned out as they advanced.

部队向前推进时呈扇形散开

The soldiers fanned out across the hillside in their search for the man.

士兵们在山腰上成扇形散开，搜索那个男人。

详细释义：

成扇形散开

The troops fanned out across the fields.

部队在战场上成扇形散开。