ocarina

英 [,ɒkə'riːnə] 美['ɑkə'rinə]

Larger air window of Ocarina will increase the frequency of basic sound.: 加大陶笛的气窗,会使其基本音的频率提高.

The larger the air chamber of Ocarina is, the basic sound has lower pitch.: 陶笛的共鸣气腔越大, 其基本音就越低.