单词：
单词： 相关文章
It's important to get enough sleep. [00:06.27]Section 1 Before you read [00:08.18]PAIRWORK [00:09.20]Discuss the following questions [00:10.97]with your partner. [00:12.50]1.How many hours do you and your partner sleep [00:16.27]every day? [00:17.78]
初中英语山东版九年级（全一册）
Psychologically defined, concentration is the process of centering one's attention over a period of time. In practical application, however, concentration is not as simple to deal successfully with as the definition may imply. For this reason, it is
双语有声阅读
Micronutrient Powders Effective in Reducing Anemia in Children Nutrients taken in powder form are effective in preventing malnutrition in children, according to new findings. Children throughout the developing world suffer from anemia - a shortage of
VOA标准英语2011年(九月)
And there are certain forms of the FOXO gene 我们发现活到90或者100岁人里 that have found to be more frequently present 最常有的 in people who live to be 90 or 100. 某种FOXO基因 And that's the case all over the world, 这是遍布全球
TED演讲科学篇
Companies are increasingly adding vitamins and minerals to juices, sports drinks and bottled water, responding to a growing consumer demand for these products. Even though the amounts of added nutrients in these drinks are typically small, some nutri
阅读空间
1 Compared with conventional beef, grass-fed beef is higher in this health-promoting nutrient, which gives its fat a yellow color: 1、与传统牛肉相比，草饲牛肉中某种有益健康的营养素含量更高，并让脂肪呈现黄色，这种
阅读空间