abnormally patent eustachian tube的用法和样例：
- The patency of the eustachian tube is compromised.
- The culprit is the inability of the Eustachian tube to open.
- The child has earache caused by blocked Eustachian tubes.
- In 2 cases (4 ears), abnormal patency of eustachian tube was diagnosed.
- The eustachian tube, leading from the middle ear to Joe's throat, is the culprit.