Fluorescence detector
[化] 荧光检测器
🧩 词语组成解析
fluorescence
[[flɔ:'res(ə)ns]]
n. 荧光, 发荧光, 荧光性\\n[化] 荧光
🗣️ 情景例句
Fifty years? Wow!
五十年？ 喔！
To assemble radios
组装收音机
(A light year is the distance which light travels at 186,000 miles per second in one year,
一光年是光以每秒186，000英里的速度在一年内走的距离，