postciliodesma

例句：

1. 1. He sat down on the couch with his back against the postciliodesma.
   他坐在沙发上，背靠着后脑勺。
2. 2. The doctor examined her and found a bump on her postciliodesma.
   医生检查了她，发现她的后脑勺有个肿块。
3. 3. She had a headache and decided to lie down, resting her head on the postciliodesma.
   她头疼得厉害，决定躺下休息，把头枕在后脑勺上。