2.像孩子那样对待我
treat me as if I were a child
1.试图帮助 try to help
60.一件事,另一件事 one thing, the other
Unit 17 some phrases
59.补上 make up
58.一点一点地 point by point
57.列出相似与区别
list similarities and differences
56.利用野牛 make use of the bison
55.以……结束 end up with
54.放弃 give up
53.整个平原的野生动物链
the whole wildlife chain of the plains