Professor Colman said: "Here's a simple example that shows the basic idea."

Colman教授指出：“下面是体现基本原理的一个简单实例。”

youdao

Professor Colman said: "Here's a simple example that shows the basic idea."

Colman教授指出：“下面是体现基本原理的一个简单实例。”

youdao