这个词是什么意思？
The feeling-tone accompaniment of an idea or mental representation. It is the most direct psychic derivative of instinct and the psychic representative of the various bodily changes by means of which instincts manifest themselves.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D000339 · MeSH 2026。
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