exchange=apply something learned in one to others=change 交流 v.

　　expertise=skill 专门技术 n.

　　employ=analyze=study 使用 v.

　　investigation=analysis 调查 n.

　　narrow=focus on 缩小范围 v.

　　reproduce=copy=replicate=repeat 复制 v.

　　funded support=finance 资金 n.

　　athlete=sportsmen and women 运动员 n.

　　calculate=measure 计算 v.

　　event=championship 赛事 n.

　　plan=prepare=design 计划 v.

　　improve=grow=get better 进步 v.

　　trade=economy 贸易 n.

　　surrounding=environment=circumstance 环境 n.

　　push to one's limits=test one's limits 挑战极限

　　not unmanageable=can cope with 能处理的

　　present inhabitant=descendant 居民 give up=abandon 放弃 mainly=heavily=most 主要地

　　visit=venture 参观