dolly

1. N-COUNT A dolly is a child's word for a doll. 娃娃

2. N-COUNT A dolly is a low cart with wheels that is used for moving heavy objects, for example, in a factory. 搬运车[美国英语]

...dozens of vendors pushing dollies stacked high with boxes. ...很多推着高高地累满箱子的搬运车的小贩。