名词
中文翻译：副反应
同义词：
['by-product', 'side effect例句：1. The drug had a side reaction that made him feel nauseous.（这药物有副作用，让他感到恶心。）']
例句：
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1. The drug had a side reaction that made him feel nauseous.
这药物有副作用，让他感到恶心。
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2.The accident caused a side reaction in the chemical process.
事故导致化学反应产生副产品。
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3.The new drug has a side reaction that can cause headaches.
这种新药有副作用，可能会导致头痛。