我在长沙的朋友们都很聪明，但是和我们农村孩子不一样，他们不会爬树，真有意思。
My friends in Changsha were all clever, but not like us children in the villiage, they all don't know how to climb trees. That's funny.
我们的体育学分爬树课每个学期在纽约伊萨卡三次，每年在哥斯达黎加一次。
Our PE credit courses are offered three times per semester in Ithaca, New York, and once a year in Costa Rica.
我们的体育学分爬树课每个学期在纽约伊萨卡三次，每年在哥斯达黎加一次。
Our PE credit courses are offered three times per semester in Ithaca, New York, and once a year in Costa Rica.
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