burrow verb
ADV. deep | away, down He switched off the bedside lamp and burrowed down beneath the bedclothes.
PREP. beneath/under Rabbits had burrowed under the fence. | into Earthworms burrow deep into the subsoil. | through worms that burrow through dead wood
PHRASES burrow your way Ivy had burrowed its way through the walls.
You can also check other dicts: burrow (English, 中文解释 ), wordnet sense, Collins Definition