If the filter has been saturated with motor oil, it should be discarded and replaced.

如果过滤器已被机油浸透，就应该丢掉并更换一个。

《柯林斯英汉双解大词典》

Only about one in ten places offered him food that would otherwise be discarded.

只有大约十分之一的地方会把原本准备丢弃的食物给他。

youdao

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。

youdao

But it says the broad anti-defamation measures being sought by the Islamic Conference would have the effect of curbing debate about religious issues and should be discarded in favor of outreach and government defense of religious freedom and free speech.

VOA: standard.2009.10.26

These benefits include not just what might be gained, but also what could be discarded.

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It essentially is also a lie, and should be discarded, even by Bible believers.

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Yet until the Kurds' demands are met that wing is unlikely to be discarded.

ECONOMIST: Turkey and its Kurds