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The metal sheet is coated with a certain special material, such as cesium .
金属片上涂有象铯那样的某种特殊材料。
youdao
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The metal sheet is coated with a certain special material, such as cesium.
金属片上涂有象铯那样的某种特殊材料。
youdao
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The metal sheet is coated with a certain special material, such as cesium.
金属片上涂有象铯那样的某种特殊材料。
youdao