Keratoprotein constitutes hair, nail, feather, silk and cobweb.
角质蛋白构成、甲、羽、蚕丝及蛛。
Keratoprotein constitutes hair, nail, feather, silk and cobweb.
角质蛋白构成、甲、羽、蚕丝及蛛。
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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