transvaginalWiktionary 原文构词拆分trans-前缀Extending across, through, or over. · To or on the other side of, beyond; outside of.+vaginal词根/词干词源说明From trans- + vaginal.释义（英文）形容词 Adjective(medicine) Through the vagina词族派生词（2）transvaginallytransvaginal ultrasound