Every time the Chromosome divides—every time one cell divides into two—pieces of the ends of the Chromosome, the telomere, get broken off.
当每次染色体分裂时——即当每次一个细胞分裂成两个时——染色体的尾部，也就是端区，就会发生断裂。
2
Two out of every three people have a cell phone.
每3人中有2人有一部手机。
《柯林斯英汉双解大词典》
3
As I take my gloves off and reach for my phone, I think, "It can't be that tough to make headphones with two plugs, one for music and one for your cell phone.