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
I want a package deal including airfare and hotel.
我需要一个成套服务，包括机票和住宿。
I don't think it's four o'clock yet.
我认为现在还不到四点。
And what's this?
那么这个呢？