1. He was not content to show that order emerged spontaneously and inevitably. 他不满足于证明秩序自发地不可避免地出现。
2. In 1989, we began spontaneously, then rushed to attend to the gate (temple) year is the Year of the Rooster? 在1989年，我们开始不约而同，到了后又争先恐后要参加门楼（庙会）那一年是鸡年？
3. But until now, HES cell cultures had a tendency to spontaneously differentiate, that is, to veer off without warning into a developmental pathway. 但目前为止，培养中的HES细胞有自发分化的倾向，也就是说，会出其不意地转向某条发育的岔道。
英英解释
adv.
1. in a spontaneous manner
2. without advance preparation
