在该环境中，Portlet可以被实例化、使用并最终销毁。
In this environment, portlets can be instantiated, used, and finally destroyed.
应该切除包囊并予以销毁，以防止被最终宿主食入。
Cysts should be excised and sterilized to avoid ingestion by the definitive host.
核武器是悬在人类头上的“达摩克利斯之剑”，应该全面禁止并最终彻底销毁，实现无核世界。
Nuclear weapons, the Sword of Damocles that hangs over mankind, should be completely prohibited and thoroughly destroyed over time to make the world free of nuclear weapons.
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