眼睛不好,那当然需要眼镜来看清这个世界啦,眼镜大家都知道是glasses,其实眼镜还有另一种说法:Spectacles,只不过是Spectacles这个单词比较正式,一般人很少用。 最后再跟大家补充一下其他跟视力相关的表达。 远视:long sight、farsighted(...
眼睛不好,那当然需要眼镜来看清这个世界啦,眼镜大家都知道是glasses,其实眼镜还有另一种说法:Spectacles,只不过是Spectacles这个单词比较正式,一般人很少用。 最后再跟大家补充一下其他跟视力相关的表达。 远视:long sight、farsighted(ness)、hyperopia 隐形眼镜:Contact lenses 眼科医生:Eye Doctor/Ophthalmologist 眼保健...
②extremely nearsighted/shortsighted 眼睛不好,那当然需要眼镜来看清这个世界啦,眼镜大家都知道是glasses,其实眼镜还有另一种说法:Spectacles,只不过是Spectacles这个单词比较正式,一般人很少用。 最后再跟大家补充一下其他跟视力相关的表达。 远视:long sight、farsighted(ness)、hyperopia 隐形眼镜:Contact lenses 眼科...
眼睛不好,那当然需要眼镜来看清这个世界啦,眼镜大家都知道是glasses,其实眼镜还有另一种说法:Spectacles,只不过是Spectacles这个单词比较正式,一般人很少用。 最后再跟大家补充一下其他跟视力相关的表达。 远视:long sight、farsighted(ness)、hyperopia 隐形眼镜:Contact lenses 眼科医生:Eye Doctor/Ophthalmologist 眼保健...
so people glasses.Glasses much used before.(直到18世纪。这是人们戴 上耳柄来戴眼镜的时候,阅读和写作变得更加流行。眼镜的使用比以前多了,在18世纪时,所以更多 人需要眼镜 (3)推理判断题。根据空后One change bifocal(双光眼镜) in made help see that both away very are as as in started sunglasses ...
与美国小学生一起学英文 Lens Do you wear glasses?How about contact lenses?Do you know what the similarities between glasses and contact lenses are?They help you see objects better.How can they do that?Glasses and contact lenses improve your eyesight, because both of them use some kind 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 ...
”;“One big change was bifocals (双焦镜) in 1784.”;“Sunglasses”;“contact lenses (隐形眼镜), ”以及“fashion glasses”可知文章提到了五种眼镜。故选D。 (4)题详解: 最佳标题题。通读全文,尤其根据“Today, about 50% of people in the world wear glasses. But how much do you know about...
How much do glasses cost? A pair of glasses can range anywhere from $10 for readers to several thousand dollars depending on the brand and prescription lenses. But average prescription eyewear costs between $200 and $300 in today's market. Without insurance to cover the cost, you will need...
PROBLEM TO BE SOLVED: To provide a means for storing a plastic lens for glasses obtained by polymerizing: an isocyanate-terminated prepolymer (A) which is a reaction product of an aliphatic diisocyanate having a cyclic structure in a molecule with a diol with an average molecular weight of ...