Her grief for this old man who hadn't meant all that much to her was as spontaneous as she had experienced . 这位老人对她并不十分重要，为他她却感到了一种从未有过的、情不自禁的悲伤。
Equally objectionable is the fact that saturation by spontaneous emission reduces the gain exercised by an incoming signal . 同样不利的事实是，自发辐射引起的饱和减少了入射信号所能获得的增益。
The measurement of spontaneous surface wetting is one of the few experimental tools available for the study of solid-surface energetics . 对自发性表面润湿的测量，确实是研究固体表面力能学的少数几项试验方法之一。
The justification of(13. 2-2)as a representation of spontaneous emission noise is provided by the discussion preceding(13. 1-7) . 根据上面对式（131-7）的讨论，就可以将公式（132-2）看作是自发辐射噪声的表达式。
All he said was so free from effort and spontaneous and was said with such a captivating gaiety, that it was fascinating to hear him talk . 他说话的时候不加思索，随意发挥，而且风姿潇洒，娓娓动听，所以大家都很喜欢听他说话。
My spontaneous fantasies lived in my mind because i felt completely helpless in the face of this threat that might come upon me at any time . 之所以我的头脑里盘踞着自己臆造出来的想法，是因为我对随时可能降临到自己头上的威胁感到无可奈何。
Spontaneous gas storage of navel orange by de - ethylene 脐橙的脱乙烯自发气调贮藏
Study on the etiology of recurrent spontaneous abortion 感染与自然流产相关性研究
Etiology analysis of recurrent early spontaneous abortion 感染与自然流产的关系
Clinical analysis of 76 cases of spontaneous pneumothorax 自发性气胸76例临床分析
