lightheartedness

名词 n.
发音 lītʹhär't(ĭ)d-nĕs

英文释义

名词 n.
  1. The state of being lighthearted, joyous, cheerful, without a care. uncountable
  2. An amusement or item of a pleasant but inconsequential nature. countable
    — I focus on communal descriptive problems—what I call American race talk dilemmas—rather than on all the lightheartednesses and small triumphs of daily life at Columbus.

词形变化

词源

From lighthearted (adjective) (any sense) + -ness (suffix forming nouns).
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