一些干果中添加了亚硫酸盐来延长保质期。

Some dried fruits contain ___sulfites to extend their shelf life.

葡萄酒中常含有亚硫酸盐作为防腐剂。

Wine often contains ___sulfites as a preservative.

她对亚硫酸盐过敏，所以必须避免食用加工食品。

She's allergic to ___sulfites, so she must avoid processed foods.