harmonium
英 [hɑːˈməʊniəm]
美 [hɑːrˈmoʊniəm]
n. 簧风琴(键盘乐器，以气流使簧片振动发声)
BNC.35837 / COCA.40765
牛津词典
noun
- 簧风琴（键盘乐器，以气流使簧片振动发声）
a musical instrument like a small organ. Air is forced through metal pipes to produce the sound and the different notes are played on the keyboard.
英英释义
noun
- a free-reed instrument in which air is forced through the reeds by bellows