as soft and light as silk
像丝绸一样柔软和轻盈
以上为机器翻译结果，长、整句建议使用 人工翻译 。
With the help of the science and technology, glass can be made as hard as steel, or as soft as silk, or as light as paper, or as heavy as iron.
借助于科学技术，玻璃可以被制作的像钢一样硬，像丝一样柔，像纸一样轻，像铁一样重。
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