Optical efficiency
[电] 光效率
🧩 词语组成解析
🗣️ 情景例句
I can't show my face in public anymore.
我不能再在公众场合露面了。
Dear, you'll be home right after work, won't you?
亲爱的，你做完工作会直接回家是吗？
He informed the station at once, but no one there was able to explain the mystery.
他马上把情况报告了该基地，但那里的人没有一个能解释这到底是怎么回事。