如果哈利波特是日本人畫的話
Nylon - Wikipedia, the free encyclopedia 資料來源Nylon is a generic designation for a family of synthetic polymers, more specifically aliphatic or semi-aromatic polyamides. They can be melt processed into fibres, films or shapes.[1] The first example of nylon (nylon 66) was produced on February 28, 1935...
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