别偷懒了，它们是时候换了！！！(The lifespan of……)

1. 枕头 (pillow)

• 使用寿命 ( lifespan)：1-2 年(1-2 years)
• 3 种情况下应该换了：(Under three situations need to change it)
  ~枕套变色了(the color of pillowcase had changed)
  ~ 睡醒后颈项酸痛 (after sleep feel pain on the neck)

~早上起来常觉得气喘 (hardly to breath whenever wake up early the morning)

2. 运动鞋 (sport shoe)

• 使用寿命 ( lifespan)：8-12个月(8-12 months)
• 为了保护你的膝盖，应该每年定期更换它
  (To protect your knee, it’s better to change it every year)

3.牙刷 (Toothbrush)

• 使用寿命 (lifespan)：3个月 (exactly 3 months)
• 每把牙刷的工作总时不宜超过6小时。(Each toothbrush can only work not more than 6 hours)
• 按每次使用牙刷每次两分钟，每天两次计算，它的寿命约为三个月
  (According to each time of using toothbrush, twice in a day around 2minutes, the lifespan of it is nearly 3months)
• 要是忘了用多久，可以根据刷毛规整程度判断
  (If forget about how long you have use the toothbrush, check it according to arrangement of the brush)

4. 抹布 (clothes)

• 使用寿命 (lifespan) ：2周( two weeks)
• 包括厨房、洗手间等等是隐藏最多细菌的东西
  (Included the clothes use in the kitchen, toilet etc that contain a lot of microbes)
• 每次使用过后，应该用热水彻底清洗，然后在阳光下晾干
  (Whenever used it, remember use hot water to wash it, and then expose it under hot sun

5. 冰淇淋 (ice-cream)

• 保质期 (guarantee date)：最长12个月 (maximum 12 weeks)
• 一旦冰淇淋表面形成一层薄冰状糖稀，就意味着冰淇淋不能再吃了
  (When there is a thin, slim layer of icy sugar form on the surface of ice-cream, it’s better not to eat it anymore)