保质期

• 병음: bǎo zhì qī
• 한자 분석: 保 = to maintain; 质 = quality; 期 = period

뜻

유통기한; 품질 유지 기간

The period during which a product, especially food or medicine, maintains its quality and safety for consumption. After the 保质期, the product may degrade in quality or become unsafe. Also used figuratively for things that have a limited useful lifespan.

예문

1. 这瓶牛奶保质期只有七天，要尽快喝完。
2. 买东西之前先看看保质期，过期的千万别买。
3. 有人说爱情也有保质期，但我不这么认为。

사용 가이드

맥락: food, shopping, consumer

어조: practical

올바른 표현

• 保质期到什么时候？(When does it expire?)
• 已经过了保质期了。(It's already past its expiration date.)

피해야 할 표현

• 对电器说'保质期' (Don't use 保质期 for electronics — use 保修期 for warranty periods instead)

기원과 역사

保质 (to maintain quality) + 期 (period). The period of maintained quality.

문화적 배경

세대: All ages

사회적 배경: Universal