HOW MUCH YOU NEED TO EXPECT YOU'LL PAY FOR A GOOD CRYSTAL

17These rings are indicative of your crystal structure of nickel and will be discussed only by invoking wavelike Houses of sunshine.这些光圈表明了了镍的晶体结构，而且只能通过光线中波的特征来解释。the good condition of many simple substances, that have an everyday form and surfaces arranged in similar designs看做工