Osha
abbr. 职业安全与卫生条例（Occupational Safety and Health Act）；职业安全和健康署（Occupational Safety &Health Administration）
🗣️ 情景例句
When did you last go fishing with Robbie?
你上一次和Robbie一起去钓鱼是什么时候啦
Did you go to the store yesterday?
你昨天去商店了吗？
That's the end of the tour.
参观就此结束了。