natural materials pack是什麼意思?

natural raw materials natural materials pack是什麼意思? natural natural natural natural natural natural natural Clothing made of man-made materials has certain advantages over _____ made of natural ones like cot Natural and natural/synthetic hybrid temperature-responsive materials that thicken or gel on warmiNatural and natural/synthetic hybrid temperature-responsivematerials that thicken or gel on warming to body temperature have been reported, 英语翻译Minor additional constituents are specially selected,inorganic natural mineral materials,inorganic mineral materials derived from the clinker production process or constituents as specified in 5.2 unless they are included as main constitu clothing made of man-made materials has certain advantages over __made of natural ones like cotton,wool or silk A one B what C that D the ones In ancient times people used to build their houses with materials ___.A.convenient B.important C.available D.natural 选择哪个 nature materials 买了一双阿迪达斯的鞋,上面有一段英文.suede and aniline leathers are natural and delicate materials.(这是什么材料,cleaning just brush dirt off and treat surface with leather impregnation spray.（清洁方法没看懂.leather imp compressed natural natural vitamin