Having no marsupial pouch, the mother presses the patagium into service.

但们没有像有袋动物一样育儿袋，这时猫猴妈妈膜就派上用场了。

The gecko has a patagium that allows it to parachute orglide down from its tree top home.

这种壁虎拥有膜，可以让自己从巢降落或滑翔下去。