Retroreflection
n. [物]回射
🗣️ 情景例句
Hi. What can I do for you?
嗨 。我能帮你吗？
Prosperity makes friends and adversity tries them.
富裕招致朋友，困苦考验朋友。
Are you ready to place your order now?
你们准备好下订单了吗？