spontaneity

中文： 自发性

1. The quality of being spontaneous. (uncountable)
2. Spontaneous behaviour. (countable)
3. The tendency to undergo change, characteristic of both animal and vegetable organisms, and not restrained or checked by the environment. (countable, uncountable)
4. The tendency to activity of muscular tissue, including the voluntary muscles, when in a state of healthful vigour and refreshment. (countable, uncountable)

复数 spontaneities