I've gone to camp for four summers.

我已经去露营过四个暑假了。

youdao

Scientists who predicted a few years ago that Arctic summers could be ice-free by 2013 now say summer sea ice will probably be gone in this decade.

科学家几年前就预言，北极夏日冰川到2013年时将会有大量漂浮冰面，这个十年间，此种情形将日益加剧。

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Cindy Jez, a 55-year-old real estate manager in Richmond, Va., has gone through these transition summers several times with her two oldest boys, a junior and senior in college.

辛迪·杰兹，一位55岁的弗吉尼亚州里奇·蒙德的房地产经理，已经跟她最大的两个儿子一起经历了几次这种转型暑假，他们一个在大学低年级，一个在大学高年级。

youdao

Two summers had gone by since the start of the American Civil War, and the North had not yet won a major battle in Virginia.

VOA: special.2009.09.24