Retroreflect
反光, 回射
🗣️ 情景例句
If you can't get a cab, give me a call. It's not safe to walk home along at night.
如果你叫不到出租车的话，打电话给我，晚上一人走回家不安全。
What's the rush?
你急什么？
He's only forty-one years old, and he has already been to nearly every country in the world.
他只有41岁，但他却过世界上几乎每一个国家。