Retroreflection
n. [物]回射
🗣️ 情景例句
I think we should take care of the environment, so that we have something to leave for our children.
我觉得我们应该保护好自然，以便将来能给我们的子孙后代留下一些东西。
We need more staff in the office.
我们办公室需要增加人手。
When the woman shook her head in bewilderment,
那个女售货员还是迷惑不解地摇了摇头。