trundle

名词 trundle:

1. a low bed to be slid under a higher bed
   同义词：trundle bed, truckle bed, truckle
2. small wheel or roller

动词 trundle:

1. move heavily

1. He trundled a wheelbarrow down the path.
   他推着手推车沿路走过。
2. A goods train trundled past.
   一列货运列车隆隆地驶过。