童心；稚气；童稚；孩子气...

This is a fairy tale full of childishness and playfulness.这是一部充满童趣的童话故事.The cantus was a little bIt'simplex childishness.旋律在多变中带着单纯的稚气.Is I probably too childishness.或许是我太孩子气....

childishness的音标：childishness的英式发音音标为：['tʃaɪldɪʃnəs]childishness的美式发音音标为：['tʃaɪldɪʃnəs]...