单词：annular keratitis
单词：annular keratitis 相关文章
On December 25, 2000, many people across North America received a rare Christmas treat when the moon passed in front of the sun resulting in a partial solar eclipse. Solar eclipses occur when the moon passes between the Earth and the sun, and the moo
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ointment 软膏 overlapping connective tissue disease 重叠结缔组织病 palmar and plantar pustula psoriasis 掌跖脓疱型银屑病 palmoplantar keratoderma 掌跖角化病 panniculitis 脂膜炎
医务英语
AS IT IS 2016-09-02 Ring of Fire Eclipse Passes Over Africa People in parts of Africa witnessed a ring of fire in the sky Thursday, created by the moon passing between the Earth and the sun. The solar event is called an annular eclipse. A total solar
2016年VOA慢速英语(九)月
An annular solar eclipse is seen formed over the sky of Burma's ancient historic city of Bagan, 15 Jan 2010 Holly Gilbert, an astrophysicist at NASA, explains the science behind the spectacle of the sun's disappearance. So during a total solar eclips
VOA标准英语2010年(七)月
ATHENS, June 16 (Xinhua) -- Greek authorities battled several wildfires burning near Athens and southern Greece on Saturday, on the eve of critical general elections. Two fire-fighters were slightly injured while trying to extinguish blazes at the se
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