in addition to 中的"to"是介词吗?

in addition to 中的"to"是介词吗? in addition to是介词短语吗? In addition to 【in addition to in addition to,in addition 的区别 in addition to and in addition In addition to 是连词?如果说,In addition to running,it can help yo besides=in addition to? In addition to reading翻译 用in addition to 造句 .from...to中的to是介词吗 refer to中的“to”是介词吗?