[00:02.12]儿童歌曲《山谷回音真好听》
[00:07.28]
[00:11.71]美丽的山谷真稀奇，真稀奇，
[00:17.82]唱歌讲话有回音，有回音
[00:23.51]啦.....
[00:35.00]山谷回音真好听，真好听。
[00:39.73]
[01:21.13][00:40.799]美丽的山谷真稀奇，真稀奇，
[01:26.39][00:46.40]唱歌讲话有回音，有回音。
[01:31.97][00:52.10]啦...........
[01:43.56][01:03.52]山谷回音真好听，真好听。
[01:49.18][01:08.96]