dilator的意思

Of the extrinsic muscles, the levator labii superioris alaeque nasi is the most important dilator.鼻外肌群中, 提上唇肌是最重要的扩张肌.It indicates that bollon dilator has good long term effectiveness for postoperative anastomotic strict...

dilator的音标：dilator的英式发音音标为：[daɪ'leɪtə]dilator的美式发音音标为：[daɪ'leɪtə]...