1. 户外活动：jazz 爵士乐 | outdoor activity 户外活动 | physical exercise 体育锻炼

2. 户外运动：ototoxic drug 耳毒性药物 | outdoor activity 户外运动 | outpatient operation 门诊手术

3. 室外活动：outdo 超过 | outdoor activity 室外活动 | outdoor 室外的

4. 日常英语场景?户外活动：192/日常英语场景.谈话 Talk | 198/日常英语场景.户外活动 Outdoor activity | 202/日常英语场景.动物园 Zoo