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spontaneous

英 [spɒn'teɪnɪəs] 美[spɑn'tenɪəs]
  • adj. 自发的;自然的;无意识的

CET4TEM4IELTSGRE考研TOEFLCET6中低频词畅通词汇

词态变化


副词: spontaneously;

中文词源


spontaneous 自发的

来自拉丁语 spontaneus,自由意志的,自发的,来自短语 sua sponte,自我意志,自愿,来自 sua,

英文词源


spontaneous (adj.)
1650s, "occurring without external stimulus," from Late Latin spontaneus "willing, of one's free will," from Latin (sua) sponte "of one's own accord, willingly;" of uncertain origin. Related: Spontaneously; spontaneousness. Used earlier of persons and characters, with a sense "acting of one's own accord" (c. 1200). Spontaneous combustion first attested 1795. Spontaneous generation (the phrase, not the feat) attested from 1650s.

双语例句


1. I had another spontaneous miscarriage at around the 16th to 18th week.
我在大约第16至18孕周时又经历了一次自然流产。

来自柯林斯例句

2. spontaneous outpourings of praise
一片自然迸发的赞美声

来自《权威词典》

3. a spontaneous offer of help
主动提出帮助

来自《权威词典》

4. 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.

来自《现代汉英综合大词典》

5. The eruption of a volcano is spontaneous.
火山的爆发是自发的.

来自《简明英汉词典》