Foramen ethmoidale posterius

例句：

1. 1.This surgery involves opening the Foramen ethmoidale posterius to remove a tumor.
   这次手术需要打开鼻腔后部的开口来移除肿瘤。
2. 2. The doctor explained that the Foramen ethmoidale posterius is an important pathway for airflow in the nose.
   医生解释说，鼻腔后部的开口是鼻子中空气流动的重要通道。
3. 3. During a cold, the Foramen ethmoidale posterius can become blocked, causing congestion anddifficulty breathing.
   在感冒期间，鼻腔后部的开口可能会被阻塞，导致鼻塞和呼吸困难。