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