My mother is good at cooking.

A kangaroo is a marsupial native to Australia.

The children are playing in the park.

Lactation deepens the bond between a baby and its mother.

The mother kangaroo is suckling her child.

A tree kangaroo is a type of kangaroo that is good at climbing trees.

He always lives without forgetting his child's naive mind.

I like watching children play in the park.

Mammals can maintain a constant body temperature.

Mammals can maintain a constant body temperature.