8月 10日　星期日有一对兄弟 ,他们的家住在八十层楼。一天 ,他们出去爬山 ,回家的时候 ,却发现大楼停电了 !虽然他们背着一大包的行李 ,但看来没什么选择 ,于是哥哥对弟弟说 :“我们爬楼梯上去吧 !”他们背着一大包行李开始往上爬。到了二十层的时候 ,他们累了 !哥哥告诉弟弟 There was a pair of brothers on Sunday, August 10, and their family lived on the 80th floor. One day, when they went out to climb a mountain and went home, they found that the building was out of power! Although they were carrying a large bag of luggage, it seemed that they had no choice. So the elder brother said to his younger brother, “We’ll climb the stairs!” A large bag of luggage began to climb. When they reached the 20th floor, they were tired! The brother told the younger brother.