specialized computing the plastic front cover of a computer that can be removed and is designed to make the computer look more attractive 计算机外壳
a ring with a cut around the inside used to hold something such as the face of a watch in place (手表等)嵌玻璃的外圈
👨🏻🏫 Mr. Ng 劍橋詞典 📚 – cambridge.mister5️⃣.net
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