spontaneous

C1 CET-4 大学 FREQ #9825 ★★☆☆☆

a. 自然的, 自发的, 未经琢磨的 [医] 自发的, 特发的, 自生的

发音

UK /spɒnˈteɪ.ni.əs/
US /spɑnˈteɪ.ni.əs/

词形变化

more spontaneous 比较级 most spontaneous 最高级

别名

spontanous

教材释义与例句

形容词

自发的；自然的；无意识的

释义与例句

adj. C1
  1. 1.

    Self-generated; happening without any apparent external cause.

    自发的

    He made a spontaneous offer of help.

    To make a spontaneous decision

  2. 2.

    Done by one's own free choice, or without planning.

  3. 3.

    Proceeding from natural feeling or native tendency without external or conscious constraint.

  4. 4.

    Arising from a momentary impulse.

  5. 5.

    Controlled and directed internally; self-active; spontaneous movement characteristic of living things.

  6. 6.

    Produced without being planted or without human cultivation or labor.

  7. 7.

    Sudden, without warning.

  8. 8.

    Said or done without prior planning or prior writing.

    He made a spontaneous remarks in the court.

词汇关系

形容词

同义词 2

unwritten ad lib

反义词 1

induced

近义相关 6

natural impulsive intuitive instinctive unprompted unscripted

相关短语

spontaneous combustion 自燃 [化] 自燃 spontaneous pneumothorax [医] 单纯性气胸 spontaneous combustions spontaneous generation 自然发生 [医] 自然发生, 非生物起源, 无生源说 spontaneous generations spontaneous abortion [医] 自发流产, 自然流产 spontaneous abortions spontaneous pneumothoraces spontaneous fission [化] 自发裂变 [医] 自分裂 spontaneous human combustion spontaneous generationist spontaneous generationists spontaneous order

词源

Learned borrowing from Late Latin spontāneus.

来源：wiktionary