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spontaneously 音标拼音: [spɑnt'eniəsli] ad. 自发地;自然地 自发地;自然地 spontaneously adv 1: in a spontaneous manner; " this shift occurs spontaneously" 2: without advance preparation; " he spoke ad lib" [ synonym: { ad lib}, { ad libitum}, { spontaneously}, { impromptu}] Spontaneous \ Spon* ta" ne* ous\ ( sp[ o^] n* t[= a]" n[- e]*[ u^] s), a. [ L. spontaneus, fr. sponte of free will, voluntarily.] 1. Proceeding from natural feeling, temperament, or disposition, or from a native internal proneness, readiness, or tendency, without constraint; as, a spontaneous gift or proposition. [ 1913 Webster] 2. Proceeding from, or acting by, internal impulse, energy, or natural law, without external force; as, spontaneous motion; spontaneous growth. [ 1913 Webster] 3. Produced without being planted, or without human labor; as, a spontaneous growth of wood. [ 1913 Webster] { Spontaneous combustion}, combustion produced in a substance by the evolution of heat through the chemical action of its own elements; as, the spontaneous combustion of waste matter saturated with oil. { Spontaneous generation}. ( Biol.) See under { Generation}. [ 1913 Webster] Syn: Voluntary; uncompelled; willing. Usage: { Spontaneous}, { Voluntary}. What is voluntary is the result of a volition, or act of choice; it therefore implies some degree of consideration, and may be the result of mere reason without excited feeling. What is spontaneous springs wholly from feeling, or a sudden impulse which admits of no reflection; as, a spontaneous burst of applause. Hence, the term is also applied to things inanimate when they are produced without the determinate purpose or care of man. " Abstinence which is but voluntary fasting, and . . . exercise which is but voluntary labor." -- J. Seed. [ 1913 Webster] Spontaneous joys, where nature has its play, The soul adopts, and owns their firstborn away. -- Goldsmith. [ 1913 Webster] -- { Spon* ta" ne* ous* ly}, adv. -- { Spon* ta" ne* ous* ness}, n. [ 1913 Webster]
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