37.长到肩高 grow to a shoulder-height of
36.大规模存在 exist in huge numbers
35.通过采集草根生存 live by gathering roots
34.出售 go on sale
33.解决问题 solve the problem
32.不同意他的观点 disagree with him
31.吉尼斯世界纪录大全
the Guinness Book of World Records
30.总工程师 the chief engineer
29.对钱很贪婪be greedy for money
28.与老同学保持联系
keep in touch with his former classmates
