the day before yesterday是什么意思？

the day before yesterday前天Dr. Smith looked in on the invalid the day before yesterday.史密斯大夫前天去看望那个病人.The accident happened the day before yesterday.那意外事故发生在前天....

the day before yesterday的音标：the day before yesterday的英式发音音标为：[ðə dei bi'fɔ: 'jestədi]the day before yesterday的美式发音音标为：[ði de bɪ'fɔr 'jɛstɚˌde]...