单词：extractive titration
单词：extractive titration 相关文章
By Jessica Berman Washington 23 October 2007 Researchers say that an extract made from broccoli sprouts may prevent skin cancer when applied directly to the skin. VOA's Jessica Berman reports scientists say broccoli contains a chemical that stimulate
2007年VOA常速英语（十月）
'Cash Mob' Phenomenon Supports Local Business What do you get when you mix a store's need for more business with enthusiastic local consumers? A cash mob. Organized through social media, the phenomenon is based on the concept of a flash mob, where la
VOA标准英语2013年(五月)
Science and technology 科学技术 Animal behaviour 动物行为 Drip-feeding 滴定进食 Ecology raids the techniques of chemistry 生态学里应用上了化学技术。 Time to change restaurant 该换家馆子了。 BIOLOGISTS are sometimes acc
经济学人科技系列
Science and Technology Animal behaviour Drip-feeding 科技 动物行为 滴定进食 Ecology raids the techniques of chemistry 生态学里应用上了化学技术。 BIOLOGISTS are sometimes accused of physics envyand there is truth in this accusat
经济学人科技系列
Science and Technology Animal behaviour Drip-feeding 科技 动物行为 滴定进食 Ecology raids the techniques of chemistry 生态学里应用上了化学技术。 BIOLOGISTS are sometimes accused of physics envyand there is truth in this accusat
经济学人科技系列
MADRID, Oct. 27 (Xinhua) -- Real Madrid coach Jose Mourinho responded ironically to questions over who will play at left back for his side on their visit to Mallorca on Sunday night. Real Madrid are still without full backs Alvaro Arbeloa, Marcelo an
英语新闻