Retrodirective reflector
[电] 归还方向性反射器
🧩 词语组成解析
reflector
[[ri'flektə]]
n. 反射镜, 反射物\\n[医] 反光镜, 反射器
🗣️ 情景例句
How many courses are you taking this semester?
这学期你选了多少课？
The peacock has fair feathers, but foul feet.
孔雀虽有华羽，但有贱足。
What's the point of going to college?
上大学有何用？