sulcus for middle meningeal artery

例句：

1. 1. The surgeon made a small sulcus in the patient's skin to remove the tumor.
   外科医生在病人的皮肤上做了一个小槽来切除肿瘤。
2. 2. The carpenter carved a sulcus into the wood for a shelf.
   木匠在木头上雕刻了一个槽作为书架。
3. 3. The scientist discovered a sulcus in the rock that could hold water.
   科学家在岩石中发现了可以储水的槽。