Noun:

1. intricate or ingenious puzzle consisting of boxes within boxes

Chinese dog中国猎犬Chinesen.中国人；汉语adj.中国的；中国人的；汉语的Chinese enlightening culture中国启蒙文化Chinese fir young plantation杉木幼林Chinese folk music education中国民族音乐教育chinese football development中国足球发展Chinese style straight skirt旗袍裙Chinese Soclety of Nutrition中国营养学会Chinese private universities中国私立大学Chinese traditional calendar农历Chinese eabbage-pak-choi青菜Chinese facsimile typewriter中文电传打字机

1. And, as they report in Nature Photonics, an important part of the puzzle has just fallen into place.
   因而，如同他们发表在自然光子学里的论文所述，未解之谜已接近尘埃落定。