marsupial GREGMAT

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

但是它们没有像有袋一样育儿袋，这时猫猴妈妈翼膜就派用场了。

Pouches are a peculiarity of marsupials.

腹袋是有袋特色。

Any of various small arboreal marsupials of the family Phalangeridae, of Australia and adjacent islands, having a long tail and dense woolly fur and including the cuscus and the flying phalanger.

袋貂结趾科中一种栖于树型有袋，生长在澳大利亚及其毗临岛屿，有长尾和浓密皮毛，包括袋猴和飞行袋貂。