1.decrease vt.vi.(使)缩短; 减小, 减少
例句：The traffic accidents in the city decreased last year.
该城市去年交通事故减少了。
The population began to decrease.
人口开始减少。
2.meaningfully ad.意味深长地;有意义地；有意图地
例句：He glanced at her meaningfully.
他意味深长地看了她一眼。
These fourteen emotions are the letters of the alphabet with which you will write your plan for success or failure.They can be combined meaningfully or chaotically.
以上14种情绪，正是你人生计划成功或失败的关键，他们的组合，既能意义非凡，又能够混乱无章，完全由你决定。
3.imaginative adj.富于想像力的; 运用想像力的
例句：The imaginative child made up fairy stories.
这个想像力丰富的孩子自己编神话故事。
Fairy tales are imaginative.
神仙故事都是幻想的。
4.outer adj.外面的, 外表的
例句：The outer door needs repairing.
外面的门需要修理一下。
远离内部[中心]的；外围的
例句：We'll move to the outer suburbs.
我们将搬到市郊。
5.conserve vt.保护, 保藏, 保存；节约，节省
例句：Conserve your energy, you'll need it!
保存你的精力, 你会用得着的！
He writes on both sides of the sheet to conserve paper.
他在纸张的两面都写字以节省用纸。
6.surplus adj.过剩的, 多余的
例句：The manufacturers in some countries dumped their surplus commodities abroad.
一些国家的制造商向国外倾销过剩产品。
7.appeal vi.呼吁,要求;诉,求助;上诉;有吸引力
例句：The government is appealing to everyone to save water.
政府呼吁每个人节约用水。
1.On a cold weekend this month, thousands of people waited in the rain to visit twenty unusual buildings set up in the heart of Washington, DC.
set up建立，建造, 创立, 竖立
例句：Plenty of foreign firms have set up factories here.
很多外国公司已在这里开办工厂。
A monument was set up as a memorial to the dead soldiers.
为阵亡将士立了一个纪念碑。
2.They offered visitors a chance to step into the future of home design and household technology.
step into干预; 涉足
例句：After graduation John stepped into his father's shoes to become a lawyer.
约翰毕业后便继承了他父亲的衣钵, 当了一名律师。
She got early promotion by stepping into dead men's shoes.
她因补缺而得以提早晋升。
3.The designs had to show that the sun could power the electronic equipment people depend on for both work and play.
depend on依赖, 依靠
例句：You can't depend on your parents forever.
你不能永远依赖你的双亲。
You may depend on their support.
你可依靠他们的支持。