全班患有近视的同学中有十九个是因为的翻译：Class 19 students suffer from myopia is because 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

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Class 19 students suffer from myopia is because

The entire class contracts the nearsightedness in schoolmate has 19 is because of

The rest of the class of students who are short-sighted because there is a 19 months

Class 19 students suffer from myopia is because