CARA: Hello, Martin.你好，马丁。 MARTIN: Hello, When is the demonstration? I've been talking to some students. They don't know.你好。示威在什么时候?我一直在和一些学生交谈，他们不知道。 CARA: I talked to one student. The demonstration is now. This is the demonstration.我和一个学生谈过，示威就在现在，这就是示威。
MARTIN: What are you doing?你在干什么?
PETE: I'm demonstrating.我在示威。
MARTIN: What's that?那是什么? PETE: It's a story. It's a story about pollution. It's a story about the river. 是一篇报导，是一篇有关污染的报导，是一篇有关河流的报导。 The river was clean.
那条河从前是清澈见底的。 MARTIN: When was the river clean?那条河什么时候是清澈的? PETE: Many years ago. Now the environment is polluted. Here, read the story.很多年以前，现在这儿的环境被污染了。这儿，读读这篇报导。
MARTIN: The river is polluted.这条河被污染了。 PETE: Of course. Our environment is polluted.当然。我们的环境被污染了。 MARTIN: What are you going to do?你们打算做什么? PETE: We're going to clean it up.我们打算清理它? MARTIN: You're going to clean up the river?你们打算清理这条河吗?
