yǒu / xiē / shí / pǐn / huì / tiān / jiā / kàng / yǎng / huà / jì / yǐ / yán / cháng / bǎo / zhì / qī

有些食品会添加抗氧化剂，以延长保质期。

Some foods contain added antioxidants to extend their shelf life.