单词:kraft bleach waste water
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Actually we have secrets that can save your time and money thanks to Elisabeth Leamy who is joining us with those. Good to see you. Thank you. Home ec class is in session. This is important stuff, so lets talk whats first, laundry detergent? Yes, mos
Technology Report - Bright Idea: Light Bulbs From Plastic Bottles, Water and Bleach 科技报道 - 水、漂白剂和塑料瓶构成的水灯泡 This is the VOA Special English Technology Report. 这里是美国之音慢速英语科技报道。 Nearl
AS IT IS 2016-03-18 France Bans Stores from Trashing Unsold Food 法国禁止商店丢弃未售食物 France has become the first country to ban supermarkets from throwing away unsold food. 法国是第一个禁止超市丢弃未售食物的国家。
Designers from all over the world are exhibiting at Design Days Dubai. The exhibition, in its second year, features many designs made from recycled waste and is also inspired from nature. Our reporter Li Dong has the details. A 'Tufty' chair that loo
DEVELOPMENT REPORT - A Small Packet of Chemicals, a Big Effect on Dirty WaterBy Jill Moss Broadcast: Monday, April 03, 2006 I'm Steve Ember with the VOA Special English Development Report. Scientists
The Olympics swimming pools turned green after hydrogen peroxide was dumped in the water, organisers revealed on Aug 12. 8月12日组织者表示:奥运泳池的水变绿是因为投入了过氧化氢。 A contractor poured 80 litres of the chemica