| 词汇 | seasonal affective disorder |
| 释义 | seasonal affective disorder noun [ U ] uk/ˌsiː.zən.əl əˈfek.tɪv dɪˌsɔː.dər/ us/ˌsiː.zən.əl əˈfek.tɪv dɪˌsɔːr.dɚ/ (abbreviation SAD) 季节性情感障碍（指人在冬季时因日照缩短而表现出的抑郁） a medical condition in which a person does not have much energy and enthusiasm during the winter because of the reduced period of natural light |
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