in addition to除……之外，并且……

例句：In addition to French, he has to study Japanese.
      除了法语外，他还得学日语。

2.Spices have long been used to keep food safe to eat. In the past, spices also helped to prevent the wasting away of dead bodies.

be used to用来

例句：An incubator is used to hatch chicken.
      孵卵器用来孵小鸡。