| 词汇 | serotonin |
| 释义 | serotonin noun [ U ] uk/ˌse.rəˈtəʊ.nɪn/ us/ˌse.rəˈtoʊ.nɪn/ 血清素 a neurotransmitter (= a chemical in the body that carries messages from the brain) that helps you feel relaxed and happy |
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