婴儿学走路的扶车

[ noun ]
an enclosing framework on casters or wheels; helps babies learn to walk
<noun.artifact>

baby-walker \baby-walker\ n.
a framework on small wheels or casters designed to support
small children while they are learning to walk, and usually
having a fabric support that permits the child to sit. Called
also {walker} and {go-cart}.

Syn: walker, go-cart
[WordNet 1.5 +PJC]