spontaneous

• It is a spontaneous cheer from the crowd .
  那是群众自发的喝彩。
• Poetry flows spontaneous to her lips .
  她出口成章。
• The spontaneous regression of established tumors is a rare .
  长成的肿瘤自发地消退是罕见的。
• It was probably as close as she had ever come to spontaneous surrender .
  这简直是自发的委身入怀。
• Spontaneous and induced mutation occur with animals viruses .
  动物病毒的突变有自发突变和诱发突变。
• Spontaneous applause broke out as soon as she finished speaking .
  她一讲完，大家不约而同都鼓起掌来。
• Above the curie temperature there is no spontaneous magnetization .
  在居里温度以上，没有自发的磁化。
• She was a silent woman, not given to spontaneous conversation .
  她是个沉默寡言的女人，从不轻易说话。
• They sustained themselves with the spontaneous fruits of the earth .
  他们依靠大地的天然果实来维持自身的生存。
• Its use in the spontaneous disease of animals is probably justified .
  把它应用于动物的自然病例很可能是有效的。