Artificial intelligent assistant

paving stone

paving stone
slab of stone used for paving 铺路石板.

牛津英汉双解词典

edrTRBnvbvbfdvEzudIdQg1m88q5imAx0fJs98kZOqu6gcmlb31bzg f71dcd0b875ff83c52300b49e0edec8d