复数:medials
1.中间的,中央的,中部的;平均的;普通的,中常的
1.situated in or toward the middle
2.not extreme or exceptional
3.near the median plane of an organism or body part
4.occurring between the first and last positions in a word or linguistic unit
5.pronounced in the middle of the mouth
1.a speech sound midway between a strong sound and a soft sound