名词
中文翻译：尼古丁
同义词：
['nicotine', 'nicotine alkaloid例句：1. He was addicted to smoking and struggled to quit.（他沉迷于吸烟，难以戒掉。）']
例句：
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1. He was addicted to smoking and struggled to quit.
他沉迷于吸烟，难以戒掉。
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2.The drug had a strong effect on the user's behavior.
这种药物对使用者的行为有强烈影响。
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3. Nicotine is a highly addictive substance that can lead to addiction.
尼古丁是一种高度上瘾的物质，可能导致成瘾。