Luminescent efficiency
[电] 发光效率
🧩 词语组成解析
a. 发冷光的, 发光的\\n[电] 发光的
🗣️ 情景例句
And right now, he needs a friend.
而且现在， 他需要一个朋友。
Please be quiet.
请安静点。
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。