Warning: file_put_contents(): Only 0 of 4809 bytes written, possibly out of free disk space in /www/wwwroot/ppbbu/5678977.com/index.php on line 55 pingo英英字典_pingo剑桥英语解释_pingo柯林斯英文解释_加林查网西语词典
1. N a mound of earth or gravel formed through pressure from a layer of water trapped between newly frozen ice and underlying permafrost in Arctic regions 小丘