His whole face was colorless rock; his eye was both spark and flint . 他整个的脸就象无色的岩石,他的眼睛既象火星又象火石。
The lens telescope, or refractor, was vastly improved when it became possible to manufacture high-quality lenses made from flint glass . 透镜望远镜,或称折射望远镜,在人们能够制造出高质量的火石玻璃透镜以后得到了很大的改进。
Min - jae . geun - chan . . . could you iook for the flint 民在,近赞. . .帮我找找火石
Min - jae . geun - chan . could you iook for the flint 民在,近赞.帮我找找火石
Inorganic chemicals . dimensions of cigarette lighter flint 无机化学制品.打火机火石的尺寸