chitinn.
英 'kaɪtɪn | 美 'kaɪtɪn
中文n. 壳质；几丁质；角素
词根词源
chitin (n.)1836, from French chitine, from Greek khiton "frock, tunic," of soldiers, "coat of mail," used metaphorically for "any coat or covering." "Probably an Oriental word" [Liddell & Scott]. Klein compares Hebrew kuttoneth "coat," Aramaic kittana, Arabic kattan "linen."
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