Cats are digitigrade animals, they walk on their toes.

He learned about unguligradism in his zoology class.

His research mainly focuses on the plantigradism of mammals.

His actions were considered part of propaganda by action.

He turned thirty years old.

This picture is fixed to the frame.

This plant needs oxygen to perform photosynthesis.

In this story, Zuan is the protagonist, and his adventure continues.

The sourness of this lemon is very strong.

I removed the gate bar and opened the gate.