About 160 schools around the world now offer course materials free online to the public.
全世界范围内约有160所学校对外提供免费在线课程材料。
Glass is without a doubt one of the most versatile materials in the world.
玻璃无疑是世界上用途最多的材料之一。
They come to this world by temporarily borrowing many materials to form the human figure.
他们来到这世间，只是暂时借用了许多物质来形成这个人形。
Recently, the raw materials of papermaking become more and more scarce in the world.
当前，世界范围内造纸原料日趋短缺。
The materials are transmitted by satellite to the whole world.
这些材料被卫星传送到全世界。
The materials are transmitted by satellite to the whole world.
这些材料被卫星传送到全世界。
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