衛(wèi)生類教程匯總和更新

Arthritis(關(guān)節(jié)炎) is an illness that can cause pain and swelling in your bones. Toads(蟾蜍), a big problem in th... [查看全文]

A new experimental vaccine (疫苗) has shown promising results in the fight against lung cancer. In a small Texas... [查看全文]

Why is this man so angry? We don't know the reason, but we can see the emotion in his face. Whatever cult... [查看全文]

Ludwig van BeethovenLudwig van Beethoven, a major composer of the nineteenth century, overcame many personal proble... [查看全文]

The Building of the PyramidsThe oldest stone buildings in the world are the pyramids. They have stood for nearly... [查看全文]

Einstein Named "Person of Century"Albert Einstein, whose theories on space time and matter helped unravel the secr... [查看全文]

　　The temperature of your body should be always just the same, no matter whether the weather is hot or cold.... [查看全文]

　　Governments all over the world make public reports about the condition of their economies. Most countries, inc... [查看全文]

　　The United States is well-known for its network of major highways designed to help a driver get from one pl... [查看全文]

　　Public image refers to how a company is viewed by its customers, suppliers, and stockholders, by the financia... [查看全文]