柯林斯词典crossbones /ˈkrɒsˌbəʊnz/ →see skull and crossbones 返回 crossbones剑桥词典→ skull and crossbones 骷髅图(旧时画在海盗旗上,现印在危险物品容器上或存放危险机器设备处,象征死亡或危险)(同 skull and crossbones) 返回 crossbones