求翻译：此次活动的时间是在7月15日至22日或者是8月15日至22日,活动内容是参加英语角，学唱英语歌曲，听英语讲座，表演英语短剧，看英语电影，教外宾学中文。是什么意思？

Time of this activity is in July 15 or August 15, active content is participating in the English corner, learn to sing English songs, listening to English lectures, performances of English drama, watch English films, teaching foreigners learning Chinese.

At the time the event is from 15 to 22 July or August, from 15 to 22, the content of the programs is to attend English Corner, learning to sing English songs, listen to the English English drama performances, lectures, and look at the Visitors' learning Chinese, English movies.

This active time is from July 15 to 22nd or is from August 15 to 22nd, the active content participates in English angle, studies sings English song, listens to English course, the performance English short drama, looked English movie, teaches the foreign guest study Chinese.

Time of this activity is in July 15 or August 15, active content is participating in the English corner, learn to sing English songs, listening to English lectures, performances of English drama, watch English films, teaching foreigners learning Chinese.

Time of this activity is in July 15 or August 15, active content is participating in the English corner, learn to sing English songs, listening to English lectures, performances of English drama, watch English films, teaching foreigners learning Chinese.