录音(woman) Before starting our tour of Monticello, I'd lik...[作者空间]

录音(man) Now that we've all introduced ourselves to the ne...[作者空间]

录音(woman) In our lab today, we'll be testing the hypothes...[作者空间]

录音(woman) Good evening. My name is Pam Jones, and on beha...[作者空间]

录音(woman) Thank you. It's great to see so many of you int...[作者空间]

录音(man) Welcome to Everglades National Par. The Everglade...[作者空间]

录音(man) Located at the NASA Research Center in Iowa is a ...[作者空间]

录音(woman) I hope you've all finished reading the assigned...[作者空间]

录音原文Community service is/an important component of educat...[作者空间]