Word
spontaneous
音标 · 释义 · 例句 · 记忆法
/spɑn'tenɪəs/
adj 自发的；自然产生的
例句：The crowd gave a spontaneous cheer.（人群自发地欢呼起来。）；My spontaneous reaction was to run away.（我的本能反应就是逃跑。）
派生：spontaneously；spontaneity；spontaneousness
短语：spontaneous combustion；spontaneous emission；spontaneous abortion
同近：autonomous；mechanical；natural；initiative