Warning: file_put_contents(/www/wwwroot/zidian/diubi.cn/cache/3cd55d9cfb1623462a02da9703ba7b1d.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/diubi.cn/index.php on line 59 smoke alarm英英字典_smoke alarm剑桥英语解释_smoke alarm柯林斯英文解释_果味酸柯林斯词典
1. N-COUNT A smoke alarm or a smoke detector is a device fixed to the ceiling of a room which makes a loud noise if there is smoke in the air, to warn people. 烟雾报警器