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
That's OK, Malcolm.
没有关系， Malcolm。
Don't you think it's too formal?
你不觉得太正式了吗？
He's going to school.
上学。