2·Permanent cells have left the cell cycle and are destined to senesce and die.
永久性细胞已脱离细胞周期，注定要衰老和死亡。
3·The most common senesce of choosing sanitary napkin consist of reliable manufacture , reliable shop , reliable reputation and the buyer 's experience .
可靠的厂家，可靠的商店，良好的口碑，自己的切身经验，仍然是选购卫生巾最基本的常识。
1·Permanent cells have left the cell cycle and are destined to senesce and die.