proliferation
n. （数量的）激增，剧增；（细胞、组织、有机体的）繁殖，增生；大量
例句
Both countries are signatories to the Nuclear Non-Proliferation Treaty.
两个国家都是《防止核扩散条约》的签约国。
《柯林斯英汉双解大词典》
Nuclear proliferation has returned to centre stage in international affairs.
核扩散又成了国际事务中的中心议题。
Scientists still don't know what triggers the proliferation of neurons in unilateral megalencephaly.
科学家仍然不知道是什么触发了单侧巨脑畸形神经元的增殖。
