spontaneous [spɒnˈteɪniəs]以下由轻松背单词网站提供
单词级别第6级基本释义adj.自发的,不由自主的英英释义happening or done in a natural , often sudden way, without any planning or without being forced参考例句The eruption of a volcano is spontaneous. 火山的爆发是自发的。Spontaneous applause broke out as soon as she finished speaking. 她一讲完,大家不约而同都鼓起掌来。 推荐阅读 |