Ainda não temos significados para "shift shingle".
1They began to walk towards the boats through the shifting shingle.
2Along with it came the rattle of shifting shingle under a strong active tread.
3He managed a few more steps, crunching into shifting shingle.
4He got thoroughly fit for marches over sand, over stony ground, over shifting shingle.
5Through the glass I caught a glimpse of a dark figure that rolled down to the water's edge, clutching feebly at the shifting shingle.
6"I would rather not discuss the subject, cousin Tom," she said and moved away down over the shifting shingle.