反作用剂

例句：

1. 1. The drug is designed to counteract the effects of the disease.
   这种药物被设计来对抗疾病的效应。
2. 2. The antidote for this poison is a solution of baking soda and water.
   这种毒药的解毒剂是碱性溶液和水。
3. 3. The antagonist of the drug works by blocking its absorption in the body.
   这种药物的拮抗剂通过阻止其身体吸收起作用。