spontaneousness的翻译，读音
美/ spɑːnˈteɪniəsnəs /
释义：
n.自然；任意
例句
A successful vocal music performance can be affected by many factors. Two essential psychological factors are full attention and spontaneousness . 成功的声乐表演受到众多心理因素的影响，最重要的心理要素包括全神贯注和自然流露。