a piece of metal in the shape of half a circle decorated with jewels (= precious stones) that is worn on the head by a woman, especially a queen, etc., at very formal social occasions(尤指女王等地位高的女性在非常正式的场合佩戴的)冕状宝石头饰
👨🏻🏫 Mr. Ng 劍橋詞典 📚 – cambridge.mister5️⃣.net
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