Background reflectance
其它 Other[计] 背景反射
🧩 词语组成解析
n. 反射比\\n[电] 反射本领
🗣️ 情景例句
He's asleep.
他睡了。
A plant may produce new flowers; man is young but once.
花有重开日，人无再少年。
All the students are expert drivers, but before they drive any of the buses, they will have to pass a special test.
所有的学生都是开车的能手，但在驾驶公共汽车之前，他们必须通过一项专门测验。