重点讲解：
1. be rich in
富含…的；含有大量…的；
eg. Liver and kidney are particularly rich in vitamin A.
肝脏和肾脏的维生素A含量尤其丰富。
eg. He is poor in money, but rich in knowledge.
他贫于金钱，但富于学问。
2. a mix of
结合体；混合体；
eg. The story is a magical mix of fantasy and reality.
这个故事是幻想与现实的奇妙结合。
eg. We get a very representative mix of people.
我们现在有了非常具有代表性的一群人。
3. be imbued with
向…灌输；使充满；
eg. As you listen, you notice how every single word is imbued with a breathless sense of wonder.
你仔细听，就会注意到每一个词都是那么的神奇，令人惊叹。
eg. The painting is imbued with energy and life.
那幅画充满活力和生命。