英语翻译

问题描述:

英语翻译
电话是什么时候发明的
只是中国发明的
这栋大楼是去年建造的
计算器是1971年发明的
世界上很多国家都讲英文

When was the telephone invented?Papermaking was created in China.This building was built last year.The calculator came into appearance in 1971.English is spoken in many countries around the world.