Keratoprotein constitutes hair, nail, feather, silk and cobweb.
角质蛋白构成发、指甲、羽
、
及蛛网。
Keratoprotein constitutes hair, nail, feather, silk and cobweb.
角质蛋白构成发、指甲、羽
、
及蛛网。
IT WAS the mangroves he noticed first, reduced to cobwebbed wraiths as far as the eye could see.
红树林,退化成纵横交织地哀鸿遍野,他最先注意到的事情。
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