Leather is by ossein type piece the material of poriferous fiber shape that poriferous matrix makes record.
皮革是骨胶原
型片状
孔基质构
孔纤维状物质。
Leather is by ossein type piece the material of poriferous fiber shape that poriferous matrix makes record.
皮革是骨胶原
型片状
孔基质构
孔纤维状物质。
声:以上例句、词性分
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