Illumination efficiency
[电] 照明效率
🧩 词语组成解析
illumination
[iˌlju:mi'neiʃən]
n. 照明;阐明，解释清楚;<物>照度;彩饰，图案花饰;
🗣️ 情景例句
She'll love it. It's a once-in-a-lifetime offer, Harry.
她也会喜欢的。这是个千载难逢的机会， Harry。
It's a shame this restaurant is so expensive.
太遗憾了，这家餐馆太贵了。
These satellites go round the earth and help us to learn more about the earth, the weather and other things.
这些卫星绕着地球转，帮助我们更好地了解地球、天气和其他情况。