单词 | thyroid |
释义 | Word Frequency thyroid(ˈθaɪrɔɪd) adjective 1. of or relating to the thyroid gland 2. of or relating to the largest cartilage of the larynx noun 3. thyroid gland 4. Also: thyroid extract the powdered preparation made from the thyroid gland of certain animals, used to treat hypothyroidism Word origin C18: from New Latin thyroidēs, from Greek thureoeidēs, from thureos oblong (literally: door-shaped) shield, from thura door |
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