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

但是它们没有像有动物一样的育，时猫猴妈妈的膜就派上用场。

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

壁虎拥有膜，可以让自己从树顶的巢降落或滑翔下去。