| 单词 | 外部刺激 |
| 释义 | 〔tropism〕The turning or bending movement of an organism or a part toward or away from an external stimulus, such as light, heat, or gravity.向性，向性运动：生物体或其一部分做的趋向或远离外部刺激（如光、热、重力）的运动〔inactive〕 Passive implies being acted on by external force or provocation without reacting positively: Passive 指由外力或外部刺激引发行动而不积极反应的： 〔spontaneous〕Arising from a natural inclination or impulse and not from external incitement or constraint.内在冲动的：由于自然倾向或冲动且非外部刺激或者强制而引起的〔autoerotism〕The arousal of sexual feeling without an external stimulus.自体性欲：在没有外部刺激物时内生的性欲感觉 |
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