1、20的英语：twenty，英 [?twenti] 美 [?twenti]。
2、Its twenty years since Ive seen her. 我已经二十年没见她了。
3、Weve been here twenty years, near enough. 我们在这里待了差不多二十年了。
4、We have lived in the same house for twenty years. 我们在同一座房子里住了二十年了。