1·Her discarded books were piled up just anyhow.
她丢弃的书被胡乱地堆了起来。
—— 《柯林斯英汉双解大词典》
2·Improperly discarded garbage can spread bacteria that are dangerous to health.
不当丢弃的垃圾会传播细菌并有害健康。
3·The boat was not a wreck, but had been deliberately discarded, dismantled and broken.
这艘船不是失事的残骸，而是被人故意丢弃、拆卸和损坏的。
4·We need things consumed, burned up, worn out, replaced and discarded at an ever increasing rate.
我们需要以越来越快的速度消耗、燃烧、磨损、替换和丢弃东西。
5·Old batteries can't be discarded casually even when they are no longer useful, because they'll pollute the environment.
旧电池即使没用了也不能随意丢弃，因为它们会污染环境。