The danger of resistance stems from the malaria parasite's ability to evade the lethal action of drugs.

耐药性的危险来自疟原虫躲避药物致命作用的能力。

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Action without philosophy is a lethal weapon.

没有哲学指引的行动是致命的武器。

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The explosion wave which blow up underwater has a proper lethal action on Marine organisms, but the lethal sphere is not big and there is bigger harm on their larva, egg and plankton.

水中爆破所产生的声压波对海洋生物有一定的致死作用，但致死范围不大，而对水产资源的幼体和浮游生物伤害较大。

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This problem is compounded by the possible presence of multiple chemicals which together have an additive effect that greatly increases the lethal action of any single chemical.

CNN: Chemicals killing Florida birds, fish

Paul said he did not dispute that the president has the authority to take swift and lethal action against an enemy that carried out a significant attack against the United States.

NPR: Senator Launches Lengthy Debate To Block CIA Pick

We already have drones that do most of the work on their own, of course, but the report argues that human control for any lethal action is a vitally important part of the process.

FORBES: Human Rights Group Advocates Ban on 'Killer Robots'