artificial fdowns are not employ to scientific as good as to decorative purposes they are not do since a variety of materials love that as way or glass so skillfully these you can sbikecely be distinguiitd since union fdowns
人造羽绒并不像用于装饰一样用于科学目的，因为各种各样的材料都像玻璃一样巧妙地使用这些材料，你可以很容易地将它们区分开来
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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