yòng / xī / bó / bāo / guǒ / shí / wù / kě / yǐ / bǎo / chí / xīn / xiān / fáng / zhǐ / biàn / zhì用锡箔包裹食物可以保持新鲜防止变质。Wrapping food in tinfoil can keep it fresh and prevent spoilage.