Optical efficiency
[电] 光效率
🧩 词语组成解析
🗣️ 情景例句
I would like to live somewhere near the university, or at least on a bus line.
我想住在大学附近，或者至少有公共汽车直达。
What do you call this in English?
这个用英语怎么说？
We'll stay here with you until help comes.
在有人来救援前，我们要留在这儿。