
adj.自發(fā)的,自然的,本能的;自然產(chǎn)生的
He is spontaneous to offer help. 他主動提供幫助。
It is a spontaneous cheer from the crowd. 那是群眾自發(fā)的喝彩。
The spontaneous applause cut the singer short. 自發(fā)的掌聲打斷了歌唱家的演唱。
The spontaneous combustion of the oil-soaked rags caused the barn to catch fire. 油布碎片的自燃使谷倉起火。
adv.自發(fā)地;自生地;自然產(chǎn)生地
n.自發(fā)(自生;自然產(chǎn)生;自然;天然)