读报
登录注册网站首页
 

SMART CITY

A day in a smart city (2)

作者:TEENS
Aa
  • -   
  •    +

5. After school, Dad takes me to the city park. There are many cars on the road and the light stays green. Thanks to the smart traffic lights, we pass the crossings smoothly (顺利地).

点击阅读全文
联系我们  |  诚聘英才  |  关于我们  |  版权声明
© i21st.cn   京ICP备2024066071号-1
 
选择报纸
选择报纸
关闭