stray transformer

例句：

1. 1. The stray dog was found by the police in the park.
   这只流浪狗被警察在公园里找到了。
2. 2. The homeless man was sleeping on the street.
   无家可归的人在街上睡觉。
3. 3. She wandered around the city aimlessly.
   她漫无目的地在城市中徘徊。