保质期 (bǎo zhì qī) — shelf life; expiration date

Definition

Examples

• 买食品前一定要检查保质期。
  Mǎi shí pǐn qián yí dìng yào jiǎn chá bǎo zhì qī.
  Be sure to check the expiration date before buying food.
• 这瓶酱油的保质期还有半年。
  Zhè píng jiàng yóu de bǎo zhì qī hái yǒu bàn nián.
  This bottle of soy sauce still has half a year of shelf life.
• 化妆品过期后就不能用了，注意看保质期。
  Huà zhuāng pǐn guò qī hòu jiù bù néng yòng le, zhù yì kàn bǎo zhì qī.
  Cosmetics can't be used after they expire, so pay attention to the expiration date.