VOA慢速英语:寻找解决世界水资源短缺的办法

n. 慈善（行为）; 施舍，捐助; 慈善机关; 仁爱，宽容;
[例句]The National Trust is a registered charity.
全国托管协会是个已注册的慈善机构。

2.recycle

vt. 回收利用; 使再循环;
vi. 重复利用;
[例句]The objective would be to recycle 98 per cent of domestic waste
目标是对98%的生活垃圾进行回收利用。

3.filter

n. 滤波器; 滤光器; 滤色镜; [化] 过滤器;
vi. 过滤; 透过; 渗透;
vt. 过滤; 滤除;
[例句]The best prevention for cholera is to boil or filter water, and eat only well-cooked food.
预防霍乱的最佳方法是将水煮沸或过滤，并且只食用煮熟后的食物。

4.option

n. 选项; 选择权; 选择（的自由）; 选择能力;
vt. 得到或获准进行选择; 调动球员;
[例句]He's argued from the start that America and its allies are putting too much emphasis on the military option
他从一开始就认为美国及其盟国过于强调军事手段。

5.desalination

n. 淡化; 减少盐分，脱盐作用;
[例句]High pure water, brackish water desalination and wastewater treatment process in the best equipment.
是高纯水制备、苦咸水脱盐和废水处理工艺中的最佳设备。

6.plant

n. 工厂; 设备; 植物，草木; 庄稼;
vt. 种植; 安，插; 建设，布置; 移民于;
[例句]Water each plant as often as required.
按要求经常给每一株植物浇水。

7.membrane

n. 隔膜; （动物或植物体内的） 薄膜; （可起防水、防风等作用的） 膜状物;
[例句]In this way, the membrane fluidity of living Ehrlich ascites tumor cells was determined.
用此法测定了艾氏腹水癌细胞的膜流动性。

8.enzyme

n. [生化] 酶;
[例句]This enzyme would make the filtration of beer easier.
这种酶会使啤酒更容易过滤。

9.nanoparticle

[词典] 纳米粒;
[例句]The preparation and characterization of metal nanoparticle and semiconductor nanoparticle on monolayers are

introduced.
简述单分子膜法制备金属和半导体纳米粒子，并对纳米粒子的表征讲行了介绍。

10.honeycomb

n. 蜂窝，蜂巢;
vt. 使成蜂巢状；把…弄得千疮百孔;
adj. 似蜂巢的;
[例句]The mechanical performance of corrugated paperboard and honeycomb board were reviewed.
本文回顾了国内外瓦楞纸板和蜂窝纸板力学性能的研究状况。

11.allocate

vt. 分配，分派; 把…拨给;
[例句]Tickets are limited and will be allocated to those who apply first
票数有限，先申请者先得。