重点讲解：
1. fade away
（所注视之物）逐渐暗淡，逐渐模糊直至消失；
eg. The colour of the cloth will fade away little by little.
这布的颜色会一点一点褪掉的。
eg. We watched the harbour and then the coastline fade away into the morning mist.
我们凝望着港口，只见海岸线渐渐隐于晨雾之中。
2. be made of
用…造成（用于原材料显而易见的场合）；
eg. Many items in daily use are made of plastic.
很多日常生活用品是用塑料制成的。
eg. The beautiful curtain is made of remnant materials.
这个漂亮的窗帘是用零头布做的。
3. get back to
回到，重提（原来的话题）；
eg. It wasn't until we had sat down to eat that we got back to the subject of Tom Halliday.
我们直到坐下来吃饭时才又提起汤姆·哈利迪这个话题。
eg. We are away from our topic. Let's get back to our discussion.
我们离题了，让咱们重新开始讨论议题吧。
