[al:新概念英语（第1册）第143课（听力强化·美英）]
[ti:A Walk Through the Woods－林中散步
[ar:© 2011 露珠英语工作室]
[by:http://weibo.com/DewEnglishStudio]
[00:00.00]Visitors have been asked to keep the woods clean and tidy.－游客已被告知要保持树林的整洁。