spontaneousspon•ta•ne•ous /spɒn'teɪnɪəs/

adj 自发的；自主的；自动的

• a spontaneous action 自发的行动

• a spontaneous offer of help 自动提供的帮助

–spontaneously adv –spontaneousness spontaneity /ˌspɒntə'niːtɪ/ n U