音标:[,ɔ:ɡənəumæɡ'ni:ziəm; -'ʃiəm] ;
adj. 【化学】有机化合物的;有机卤化物的

The composition of the sun lies in this bar code. 这个条码说明了太阳的组成 All the thin lines are caused by tiny amounts of complex elements 这些细细的线条,都是微量复杂元素造成的 metals like iron and magnesium. 好比说

发表于:2018-12-07 / 阅读(88) / 评论(0) 分类 太阳科普

This is the VOA Special English Health Report. A.D.H.D. is attention deficit hyperactivity disorder. Government estimates say three to seven percent of school-age children in the United States have it. Adults can also have it. People with A.D.H.D. ha

发表于:2018-12-16 / 阅读(37) / 评论(0) 分类 2010年VOA慢速英语(五)月

Dieting isnt always easy, particularly if you have a sweet tooth. But by adding strawberries to your diet, you can enjoy a range of guilt-free dishes, drinks and snacks any time of day. Best of all, strawberries are low in calories, high in fiber, fa

发表于:2019-01-08 / 阅读(51) / 评论(0) 分类 阅读空间

Avocado 牛油果 In addition to its flavorful taste and rich and creamy texture, this fruit (yep, it is indeed a fruit!) is loaded with antioxidants and can help you lower your bad cholesterol. Whether you eat it in a salad, spread on toast, or even

发表于:2019-02-01 / 阅读(64) / 评论(0) 分类 实用英语

Sleep well, sleep better If sleep has plunged to the bottom of your to-do list, you're not alone. Although the National Sleep Foundation recommends getting seven to nine hours of sleep a night, the average American logs only six hours and 40 minutes.

发表于:2019-02-07 / 阅读(50) / 评论(0) 分类 阅读空间

1. It is very hydrating. 盈润保湿。 Celery is high in water content (95% water) and electrolytes, which are vital for proper hydration and cellular functions. For a super re-hydrating drink (e.g. after a long flight or after having food poisonin

发表于:2019-02-17 / 阅读(74) / 评论(0) 分类 阅读空间