sander/ˈsæn.dɚ/名词打磨机,磨光器I used a sander to smooth out the rough edges of the wooden table before staining it.在给木桌染色之前,我使用了砂纸来磨平木桌的粗糙边缘。(防止路面结冰的)撒沙车想跟读,去练习