hypostroma

例句：

1. 1. She adjusted the rearview mirrorto check her hair before leaving the house.
   她调整后视镜检查出门前的头发。
2. 2.The rearview mirror helped him see theroad clearly.
   后视镜帮助他清楚地看到道路。
3. 3. He turned around and looked at hisrearview mirror to make sure he wason the right path.
   他转过身来，看了看他的后视镜，确保自己走的是正确路线。