added to 的用法

added to 主要用于 added to this / that，属惯用语，通常用于句首，意思是“而且”“此外”。如：

Added to this, he is an untiring artist. 而且，他是一个不知疲倦的艺术家。

We were short of money. Added to that, we were lost! 我们钱不够。而且我们还迷路了！

Added to this, the birth rate is not so great as it was. 而且，目前的生育率也不像过去那么高。

Added to that , the child may have feelings of insecurity, jealousy and possessiveness. 除此之外，孩子还可能会有不安全感、嫉妒心和占有欲。

More than 750 commercial airliners were involved in fatal accidents last year. Added to that were the 1,550 smaller aircraft. 去年750多家商业航空公司遭遇过人员死亡的事故。另外还有1,550架小型飞机也出过同样的事故。

adding to的用法 

adding to...则属于短语动词add to（增加，增添）的现在分词形式（属普通的现在分词短语用法）。如：

Music rang out, adding to the gaiety and life of the party. 音乐响起，为晚会增添了欢乐和活力。

Dense smoke surrounded them, adding to the horror of the situation. 浓烟包围了他们，情形更加恐怖。