Keratoprotein constitutes hair, nail, feather, silk and cobweb.
角质蛋白构成毛发、指甲、羽毛、蚕丝及蛛网。
Keratoprotein constitutes hair, nail, feather, silk and cobweb.
角质蛋白构成毛发、指甲、羽毛、蚕丝及蛛网。
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,他最先注意到事情。
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