It seemed to be made of grey metal, shiny but rough, like emery paper.
它看起来像是由灰白色金属制成，有光泽但很粗糙，质感如砂纸。
youdao
She rubbed the glass with emery paper.
她用砂纸磨玻璃。
应用推荐
模块上移
模块下移
不移动