| 词汇 | spontaneous |
| 释义 | spontaneous adjective uk /spɒnˈteɪ.ni.əs/ us /spɑːnˈteɪ.ni.əs/ spontaneousadjective (NOT PLANNED)happening or done in a natural, often sudden way, without any planning or without being forced: 自发的;非筹划安排的;非勉强的 His jokes seemed spontaneous, but were in fact carefully prepared beforehand.他讲的笑话似乎是即兴的，但实际上是事先精心准备好的。 approvingShe's such a spontaneous, lively woman.她是个为人率直、充满活力的女子。 I am certain both these statements were spontaneous and genuine. The audience broke into spontaneous applause. What happened was not a spontaneous outburst of violence. This was a spontaneous outpouring of emotion. We had no plans to do it - it was a spontaneous thing. Not expected or planned abrupt end abrupt halt abruptly abruptness ad hoc inadvertence inadvertency inadvertent inadvertently inconceivable sharpness sine die spirit spontaneity spontaneously unsuspected untimely untoward unwilled unwitting spontaneousadjective (NO OUTSIDE CAUSE)biology, medical specialized happening, especially in a living thing, without being caused by something outside, or without the organism's control: Since spontaneous remissions are common in rheumatoid arthritis, it is impossible to attribute them to any particular therapy. Spontaneous maturation is when meiosis continues without hormonal stimulation. It is estimated that spontaneous tendon ruptures occur in about one in 100,000 people. Although about 15 percent of cases are inherited, the vast majority appear to be spontaneous genetic mutations. The bacterium is capable of spontaneous movement. The delivery was spontaneous, rather than an induced or Caesarean birth. Animal & plant biology - general words abiotic anatomic anatomical anatomically correct anti-Darwinian biologist biophysics Darwinist entomological entomologist entomology eukaryote experiment station naturalist organically overstimulate overstimulated overstimulation photosynthetically survival of the fittest Related wordsspontaneity spontaneously spontaneous | American Dictionaryspontaneous adjective us/spɑnˈteɪ·ni·əs/ happening naturally, without planning or encouragement: a spontaneous performance spontaneous affection spontaneouslyadverbus/spɑnˈteɪ·ni·əs·li/ The children spontaneously gave us hugs and kisses. Examples of spontaneousspontaneous The excited atom interacts with the vacuum fluctuations which cause the spontaneous emission of radiation. The appearance of spontaneous errors depends on noise, but also on the relative confusability of the targets. She only produced 221 spontaneous utterances across the three contexts used to elicit language samples, during which she produced the verbs forget and know spontaneously. Many of the spontaneous productions, however, were as single word utterances. All three children were fully able to understand both languages at ageappropriate levels and could produce spontaneous utterances in both languages before recording commenced. All the other forms without any specification were produced in what apparently were spontaneous utterances. The distinct spontaneous activities of different bipolar cell types might provide a cue for the activity-dependent segregation of multiple parallel visual pathways. Paradoxically, for all the precision of its organisation, the piece gives the impression of being free and spontaneous, almost improvisatory. The final counts for the main rating task were 12 words, 10 sentences, 1 read paragraph, and 1 spontaneous paragraph. Spontaneous interaction and elicited production are clearly separated. In contrast, in spontaneous speech, some of the children's third singular -s use reflected commentary on a present action. In addition, nine were for the spontaneous speech sample, while two were for the scientific passage, and one was for the dramatic passage. The children in this study performed more poorly on elicitation than spontaneous language tasks. This data does not distinguish between spontaneous versus assisted reproduction. Neonatal outcome of spontaneous and assisted twin pregnancies. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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