自发 的中文句子和英文句子

分子扩散运动两种或更多种物质的分子由于随机的热运动自发混合在一起

The spontaneous intermingling of the particles of two or more substances as a result of random thermal motion.


自燃的在空气中自发地燃烧的

Spontaneously igniting in air.


她样子寒酸, 客人不禁暗自发笑.

Her shabby appearance drew sniggers from the guests.