whinny

whinny
/ˈwɪnɪ; ?@ ˈhwɪ-; `hwɪnɪ/ n
gentle neighing sound （轻微的）马嘶声. whinny, v (pt, pp whinnied) [I, Ipr]
make this sound 发出轻微的马嘶声
    The horse whinnied with pleasure. 那匹马舒服的嘶叫著.

牛津英汉双解词典