FACTS ABOUT GLASSES FRAMES NEAR ME REVEALED

単語を追加 意味・対訳 助ける、(…を)手助けする、手伝う、(…を)援助する、援助する、(…を)助成する、促進するThe best case of refraction happens when There is certainly an interface concerning a uniform medium with index of refraction n1 and An additional medium with index of refraction n2. In this kind