重点讲解：
1. be loaded with
（特点）浓烈的，深厚的，丰富的；
eg. Traditionally, ice cream is made with heavy cream loaded with saturated fat.
传统而言，冰淇淋是由含有大量饱和脂肪的奶油制成的。
eg. The bough was loaded with fruit.
树枝上果实累累。
2. be designed to do sth.
计划；打算；意图；企图；
eg. The plan is designed to reduce some of the company's mountainous debt.
该计划旨在减少公司堆积如山的债务。
eg. Convenience stores have instituted new programs designed to increase sales of these types of products.
便利店已建立了新的计划，以增加销售这些类型的产品。
3. eat up
吃光；吃完；
eg. Some seed fell along the footpath, and the birds came and ate it up.
有些种子散落在小路上，鸟儿飞来把它们吃光了。
eg. He was so hungry that he ate up his meal at a stretch.
他太饥饿了，一口气就把饭吃光了。