英语提空

来源：百度知道 编辑：UC知道 时间：2024/09/25 13:17:23
5. Everyone must keep _________(safe) rules when they use fire just in case there is a fire.是safety 吗？
10. The people are standing at the airport nervously,looking forward to the____of the airplane.(fly)

5.safety rules 安全规则
10.flight 航班

safety

flight 飞行

Safety Rules: 安全准则

常用短语
safety precautions; safety rules. 安全预防措施；安全条例
http://www.iciba.com/safety/

原型safe