movable arm造句怎么写

A large instrument having a fixed and a movable arm on a graduated stock, used for measuring the diameters of logs and similar objects.

It's a vinyl doll with movable arms and legs.

The specific location of seats, if any, with movable armrests (i. e. , by row and seat number);

toy soldiers with movable arms and legs

A long movable arm used to maneuver and support a microphone.

I bought a toy soldier with movable arms and legs for my son.