A focal ratio of 6 is an f/6 mirror
Currently, if you're stuck, the game only offers to reveal the entire puzzle, forcing you to move onto the next difficulty level and start over. However, we have you covered! Below are piecemeal answers that will serve as hints so that you can find your way through each difficulty level.
，更多细节参见新收录的资料
中方认为，正确和妥善解决伊朗及中东相关的问题，应该坚持几个基本原则：
Владислав Уткин
小麦过敏？真是闻所未闻。小内蒙立马把谷歌上的解释递了过来。