单词：accumulation stage
单词：accumulation stage 相关文章
Scientists Create Method to Test Food and Drugs for Purity Millions of people in developing countries have to be on guard against contaminated food and medicine. Some products could be harmful -- even deadly. In Nigeria, brake fluid was found in a pr
2017年VOA慢速英语(三)月
By Lisa Schlein The UN Children's Fund, UNICEF, says Iodine Deficiency Disorders, which cause mental retardation, are a huge problem in Europe and Central Asia. UNICEF says this disorder can be solved
VOA2004（下）--健康科技
By Kari Barber Dakar 06 July 2007 After years of turmoil and economic hardship, the small West African nation of Guinea Bissau is facing a health challenge caused by the absence of iodine in the nation's diet. In countries where iodine is not already
2007年VOA标准英语（七月）
If you've been inside a grocery store in the past couple of years, you've probably noticed the trend in food manufacturers adding Made with sea salt to their product packaging. The claim shows up on a wide variety of foods - from organic whole grain
阅读空间
今天我们要学的词是iodine。Iodine名词，意思是碘 。The western German city of Aachen has started issuing free iodine tablets to some 500,000 residents and people living nearby because an ageing Belgian nuclear plant is seen as a risk.
英语单词荟萃
Perhaps. Or, proceeding in a more convenient, more economical, and consequently more probable fashion, 或者是这样。或者，他是用更方便，更经济，而且更可能的方法， was he satisfied with merely returning to breathe at the su
《海底两万里》中英双语有声读物