Xcell and Y cell are two main kinds of retinal ganglion cell.
细胞是两类主要的视网膜神经节细胞。
2
Cell phones produce "non-ionizing" radiation, which, unlike X - or gamma rays, doesn't damage DNA by stripping away electrons from molecules in cell tissue.
手机产生“非电离”辐射，它不像X或伽马射线那样从细胞组织中的分子里分理出电子，从而破坏dna。
3
When translated into protein in a cell, it makes that cell do something—and that something is often more than just “make more of protein X”.