shēng sī
意思解释：（Raw silk）在除尽胶浆以前缫的丝。
用蚕茧缫制成的丝。是一种动物蛋白，由丝素蛋白和丝胶蛋白组成，纤细，光洁，柔韧。是丝纺工业的原料，在工业、国防和医疗上有广泛用途。…
With the silk that pod reel silk from cocoons makes. It is albumen of a kind of animal, by filar vegetable protein and sericin albumen composition, fine, bright and clean, withy. It is a raw material that spins industry, there is extensive use on industry, national defence and medical treatment. ...
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