Do you know who invented light bulb?bulb要不要用复数?还有This chair is ma_英语解答

Do you know who invented light bulb?bulb要不要用复数?
还有This chair is made of metal and wood.metal要不要用复数？

人气：487 ℃　时间：2020-05-09 06:05:09

解答

bulb不需要用复数.只是表示灯泡这种物体.例如：Edison invented the light bulb.
爱迪生发明了电灯泡.（金山词霸）
metal也不用,在这里只是表示某种材料.