Spontaneous reaction

[化] 自发反应

🧩 词语组成解析

spontaneous [spɑn'tenɪəs]

adj. 自发的;自然的;天然产生的;无意识的;

spont=spond承诺+aneous表形容词→自内心承诺→自愿的

reaction [rɪ'ækʃən]

n. 反应;反作用力;反动;保守;

re向后，相反+act行动+ion名词后缀→反动，反应

🗣️ 情景例句

Won't you be busy?

你不是有事吗？

Politically,the country is divided into fifty states.

这个国家政治地被划分成50个州。

The village which had seemed deserted, immediately came to life.Faces appeared at windows.

刚才还似乎空荡荡的村庄一下子活跃了起来，窗口露出了一张张面孔，

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🔤 更多 S 开头的单词

sales incentive

schistocormus fissicollis

senesce

sieze

slavish 'sleiviʃ

spermatologist

spivvier

Stephane

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