Optical efficiency
[电] 光效率
🧩 词语组成解析
🗣️ 情景例句
Could you arrange a taxi for me, please?
能为我安排辆出租车吗？
This is my fourth year of college, I'm a senior.
这是我上大学的第四年，我是四年级学生。
And so do you, if you're afraid, and if the earthquake's a big one.
假如是强地震，如果你害怕，你也会抖动的。