In1784, Ben Franklin created glasses that had bifocal(双焦点的) lenses. 40. ___D___ Astigmatism(散光) is an eye problem that stops the eyes from seeing things clearly.根据材料内容,从下面五个选项中选出能填入文中空缺处的最佳选项,使短文意思通顺、内容完整。 A. He thought that glasses could...
Glasses took a long time to develop into what you can find in the glasses store today. The Chinese first used colored glasses as fashion. They thought that those glasses had magic, but they didn’t think that glasses could help eyes to see clearly. In 1262, the inventor, Roger Bacon, ...
Glasses took a long time to develop into what you can find in the glasses store today.Chinese people first used colored glasses as fashion.They thought that those glasses had magic,but they didn't think that glasses could help eyes to see clearly. In 1262,an English inventor,Roger Bacon,di...
Glasses took a long time to develop into what you can find in the glasses store today. The Chinese first used colored glasses as fashion. They thought that those glasses had magic, but they didn't think that glasses could help eyes to see clearly.In 1262, Roger Bacon, discovered the ...
根据“Glasses took a long time to develop into what you can find in the glasses store today.”可知,下文主要讲述的是眼镜的发展。B选项“你知道它们是如何发明和发展的吗?”符合语境。故选B。 (2)题详解: 根据“They thought that those glasses had magic”可知,此处介绍了眼镜的一种类型。E选项“中...
Astigmatism is an eye problem that stops the eyes from seeing things clearly.A.He thought that glasses could be used to help people to see.B.Do you know how they were invented and developed?C.In 1604,the scientist,Johannes Kepler,finally found out how glasses worked.D.Many years later,...
aastigmatism Astigmia Astigamatic 散光散光Astigamatic[translate] aSudocrem Care & Protect 40G Sudocrem关心&保护40G[translate] achoose the most beautiful is the best. 选择最美丽最佳。[translate] aShe's beautiful and kind She has long hair 正在翻译,请等待...[translate] ...
a我们会请求工厂尽快发送SIZE 20的PP SAMPLE给你 We can request the factory transmits SIZE 20 PP SAMPLE to give you as soon as possible[translate] a解决起雾散光现象 Solution haze astigmatism phenomenon[translate] aeven though he knew she might very well refuse to listen 即使他知道她也许很好拒绝...
Seeastigmatism, oblique. tapetoretinal degeneration Seedegeneration, tapetoretinal. tapetoretinal dystrophy, progressive Seechoroideremia. tapetum lucidum A reflecting pigment layer lying behind the visual receptors of the retina of certain mammals (e.g. cats, dogs), birds and fish, which gives a sh...
Anatomic indications include: * Visual, such as opacification, regular refractive errors (sphere and cylinder) or higher-order errors (irregular astigmatism). * Reconstructive, such as thinning or perforation. * Therapeutic, such as edema, dystrophies, degeneratio...