di·la·tor 
(dī-lātər, dīlā′-, dĭ-lā-)
(dī-lātər, dīlā′-, dĭ-lā-)n.
1. A muscle that dilates a body part, such as a blood vessel or the pupil of the eye.
2. An instrument that dilates a body part, such as a cavity, canal, or orifice.
| 单词 | dilator |
| 释义 | di·la·tor (dī-lātər, dīlā′-, dĭ-lā-)n. 1. A muscle that dilates a body part, such as a blood vessel or the pupil of the eye. 2. An instrument that dilates a body part, such as a cavity, canal, or orifice. |
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