雨林之声
用be+careful+must+mustn't+safety+first英语写一份防火安全须知可以这样写:You must be careful of fire prevention and mustn't play fire.put safety first .
上官雨霖
1、火灾无情,消防先行。 Fire is merciless, fire prevention is the first. 2、珍惜生命,远离火患。 Cherish life, keep away from fire. 3、居安思危,防患未然。 Danger, prevent trouble before it happens. 4、用火不预防,失火就遭殃。 Fire does not prevent fire.