"virgin materials only, no re-grind materials allowed" 请问上文中

No one(allow)----to take any reading materials out of the re nature materials proven materials 英译汉,Only those materials that also ensure compatibility at s 英语翻译reading furnishes the mind only with materials of knowle 英语翻译All new materials polyester fibres surface wash only not 鞋材是“shoes materials"还是“shoe materials" 请问 D leather&man-made materials是什么牌子的运动鞋 请问《Applied Mechanics and Materials》还是不是EI呢? to put study materials in order请问怎样翻译? 请问Applied Mechanics and Materials 属于EI源刊吗? veterinary raw materials