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]u]-x|c^8~Gs+x3l~2。
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9[#w~4@.oV,0Ns1H。
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;UM5A9xtGAPmBfvs,!。
eg. The beautiful curtain is made of remnant materials.
这个漂亮的窗帘是用零头布做的3K9qm7A[zAx。
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x9@CI[)_xqHU。
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X60W*jYyr6UyFK*|,4。