eustachian 释义与例句 adj. 1. Alternative letter-case form of Eustachian. 相关短语 Eustachian tube n. [解]耳咽管, 咽鼓管 Eustachian tubes eustachian tube Eustachian tube dysfunction Eustachian valve Eustachian valves [医] 下腔静脉瓣 Eustachian catheter [医] 咽鼓管导管 Eustachian catheters eustachian tubes