W: No, thanks. I’m going to the library to return them. It’s not far away. I’ve just finished my term paper for my world history class. How are you doing? M: Not bad. Very busy, though. I just got off work. I’m about to get something to eat. W: I hear you’ve cha...
A lot of people in England are crazy about football. During the football season whenever there is a big match, all the flags for local football teams, such as Liverpool and Newcastle, are hung outside every window, or even spread proudly on T-shirts or scarves. There is an atmosphere of...
Instead, lenses are made using a more refined material known as optical glass. For eyeglasses, many people now prefer plastic lenses because they're much lighter and safer than optical glass. Plastic lenses can be molded to shape, instead of being ground, so they can be made in huge ...
Glasses used to be made of glass. Now, most are made of plastic. Plastic lenses are lighter and can be treated with coatings to protect your eyes. But plastic is more likely to scratch than glass. Other glasses can meet specific needs: Polycarbonate or Trivex lensesare great if you, or ...
He wore primly severe eyeglasses, his wavy hair was primly cut and primly combed. He wore prim suits with neckties set primly against the collar buttons of his white shirts. He had a primly pointed jaw, a primly straight nose, and a prim manner of speaking that was so correct, so ...
They are also referred to as progressive lenses or multifocal lenses. Bifocal glasses feature just two different prescriptions within the lens for near and distance vision. You will notice a visible line on these lenses. This marks the separation between the distant and reading sections of the ...
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These are my glasses, without which I can't see clearly. This is the book from which I got the story. 介词的位置 介词一般放在关系代词 which 和 whom 之前,但也可放在原来的位置上。 The house in which we live is not large. #: 放在前面比较有用的多。
your eyes are still developing, and your myopia could stabilise. However, even if you are over 21, laser eye surgery should only be carried out if your glasses or contact lens prescription has not changed significantly over the last 2 years or more. Your eye care professional will be able ...
Sunglasses or sun glasses (informally called shades or sunnies; more names below) are a form of protective eyewear designed primarily to prevent bright sunlight and high-energy visible light from damaging or discomforting the eyes. They can sometimes also function as a visual aid, as variously ...