Warning: file_put_contents(/www/wwwroot/ppbbu/4cd.cn/cache/db933052aacb22dc5e7b15addf1a3a76.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/4cd.cn/index.php on line 55 hard hat英英字典_hard hat剑桥英语解释_hard hat柯林斯英文解释_沉淀汉英词典
1. N-COUNT A hard hat is a hat made from a hard material, which people wear to protect their heads on construction sites or in factories, or when riding a horse. 安全帽; 头盔