以下为句子列表：
英文: Greg:Oh no! Look here, people have been stubbing their cigarettes out on the sofa.
中文: 格雷哥:哎呦，看这里，有人在沙发上把烟头按熄。
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英文: Stubbing a toe or leaning against a hot stove activates neurons (nerve cells) called nociceptors that respond specifically to hurtful stimuli, such as extreme temperature or mechanical pressure, or to chemicals generated in response to injury or inflammat
中文: 当脚趾踢到硬物或身子靠上发烫的炉子，都会活化称为「痛觉受器」的神经元（神经细胞）；这些神经元专对伤害性刺激产生反应，好比说极端的温度或机械压力，或者是组织受伤或发炎时产生的化学物质。
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