Word: 保质期 (bǎozhìqī) Traditional: 保質期 保质期 dictionary entry bǎozhìqī shelf life; expiration date Full dictionary entry for 保质期 Example sentences using 保质期 2 sentences, showing page 1 of 1. 这个面包的保质期可以吗? Zhège miànbāo de bǎozhìqī kěyǐ ma? Is this bread's best-by OK? 这种牛奶的保质期很短。 Zhèzhǒng niúnǎi de bǎozhìqī hěn duǎn. The shelf life of this milk is very short.