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
Mr. Harry Bennett and his daughter.
Harry Bennett先生和他女儿。
I am well aware of how risky this investment is.
我非常清楚这项投资有多大的风险。
India-born N.Damodar Reddy's tiny California company reopened an AT
T chip plant in Kansas City last spring with financing from the state of Missouri.