discard、scrap与shed这些动词都有“抛弃、丢弃”之意。
discard : 指把具体的东西抛掉不要，着重扔、丢的动作。
- Discarded food containers and bottles littered the streets.
街上到处都是被丢弃的食品包装和瓶子。 - The room was littered with discarded newspapers.
房间里到处是乱扔的报纸。
scrap : 指抛弃过时不再有用的东西。
- They had been forced to scrap plans for a new school building.
他们已被迫撤销了建筑新校舍的计划。 - The oldest of the aircraft were scrapped.
最老的飞机报废了。 - They're considering scrapping the tax and raising the money in other ways.
他们正在考虑废除这个税种，用其他方法募集款项。
shed : 指毛发、皮肤、叶等经过某种自然的过程而脱落。
- The trees shed their leaves in autumn.
树木在秋天落叶。 - They ran down to the water, shedding clothes as they went.
他们奔向大海，一边跑一边脱衣服。 - A lorry had shed a load of gravel across the road.
一辆卡车在路上掉下了一堆碎石。
