[00:02.70]Unit 22 Environmental Protection Lesson 2 [00:08.46]Exercise 3 Listen to the lecture. [00:11.41]Use the Strategies to write some notes. [00:14.76]Today's lecture will focus on the serious issue [00:17.75]of endangered species. [00:19.90]By...
[全屏观看] 点击右键- 另存为 可保存这个Flash影片...
[全屏观看] 点击右键- 另存为 可保存这个Flash影片...