题目

英语翻译
大约过了半个小时,他才平静下来(用上clam down)
当在街上散步时,他碰见了他的老朋友TOM(用上while doing)

提问时间：2021-01-11

答案

1.he finally calmed himself down after half hour.
2.He encounterred Tom who was his old friend while walking in the street