bezel
noun [ C ] uk/ˈbez.əl/ us/ˈbez.əl/
computing specialized计算机外壳
the plastic front cover of a computer that can be removed and is designed to make the computer look more attractive
（手表等）嵌玻璃的外圈
a ring with a cut around the inside used to hold something such as the face of a watch in place