Darkfield illumination
[医] 暗[视]野照明
🧩 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
Please excuse me. I'm very sorry.
请原谅我， 我真的很不好意思。
What's the purpose of your visit?
你旅行的目的是什么？
Though the sound could be heard clearly, it took me a long time to react.
虽然声音听得很清楚，但我过了好一会儿才作出反应。