| 释义 |
di·la·tor AHD[dī-lāʹtər, dīʹlā'-, dĭ-lāʹ-] D.J.[daɪˈleɪtə, ˈdaɪˌleɪ-, dɪˈleɪ-]K.K.[daɪˈletɚ, ˈdaɪˌle-, dɪˈle-]n.（名词）- A muscle that dilates a body part, such as a blood vessel or the pupil of the eye.扩张肌：扩张身体部分的肌肉，例如血管或眼睛的膜孔
- An instrument that dilates a body part, such as a cavity, canal, or orifice.扩张器：扩张身体部分的一种仪器，例如腔、管或是口
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