Sulcus sinus occipitalis

例句：

1. 1.The doctor performed a thorough examination of the patient's sulcus sinus occipitalis.
   医生对患者的枕下间隙进行了彻底的检查。
2. 2. Due to the pressure on the sulcus sinus occipitalis, he had to sleep in a reclining position.
   由于枕下间隙的压力，他不得不采取仰卧位睡觉。
3. 3. The surgeon carefully removed the tissue from the sulcus sinus occipitalis, revealinga small tumor.
   外科医生小心地从枕下间隙取出了组织，发现了一个小肿瘤。