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- the spontaneous disintegration of a radioactive substance along with the emission of ionizing radiation. 伴随有离子射线释放的一种放射性物质自发的瓦解过程。
- He is spontaneous to offer help. 他主动提供帮助。
- The breakdown and disintegration of organic tissue. 组织溶解器官组织的分解和破坏
- spontaneous disintegration 自发蜕变
- Natural, spontaneous verbal utterance. 自然的、朴素的语言发声
- She shows a spontaneous gaiety of manner. 她露出天真愉快的神态。
- A few elements, among them uranium and thorium, spontaneously disintegrate into lighter elements by chances. 少数元素，其中有铀和钍，通过它们核的变化自然蜕变成较轻的元素。
- My husband was handsome, spontaneous and charming in his youth. 我丈夫年轻时英俊、诚挚、富有魅力。
- Radioactivity refers to the phenomenon of emitting ionizing radiation when a radionuclide spontaneously disintegrates. 二放射性：指核种自发衰变时释出游离辐射之现象。
- The whole social fabric was threatened with disintegration. 整个社会结构有瓦解的危险。
- Spontaneous fellowship and sympathy among a number of people. 本能的友情一群人自然产生的友谊和同情
- Hearing the joke, we burst into spontaneous laughter. 听到笑话，我们不由自主地大笑起来。
- Disintegration or decomposition into parts or elements. 分解(作用)分解或分裂为部分或要素
- Decomposition into fragments or parts; disintegration. 分裂，分解碎片或几部分; 分解
- The act or result of decomposing; disintegration. 分解或分解结果；分裂
- Poetry flows spontaneous to her lips. 她出口成章。
- V. The disintegration of the association. 五、团体之解散。
- Resulting from internal stimuli; spontaneous. 自发的因内部刺激导致的；自发的
- Not new, fresh, or spontaneous; stale. 陈腐的不再新、新鲜或自然的; 旧的
- Existing without a perceptible cause; spontaneous. 自存的无存在原因的；自存的
