窗帘在风中飘动，像蝙蝠翅膀一样拍打着窗户。

The curtains flapped against the window like ___bat-wings in the wind.

她的万圣节服装上有夸张的蝙蝠翅膀装饰。

Her Halloween costume had dramatic ___bat-wings as part of the design.

这款新型无人机采用了仿生学设计的蝙蝠翼，以提高飞行稳定性。

This new drone uses ___bat-wings inspired by biomimicry to improve flight stability.