hard hat
柯林斯词典
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
返回 hard hat
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