学个词 Learn A Word:2032_on_the_brink_of

　　今天我们要学的词是 on the brink of. On the brink of 意思是濒临，处于边缘。随着乌克兰局势的变化，Analysts are worried that Ukraine could be on the brink of a civil war. 分析人士担心，乌克兰可能正处于内战的边缘。The World Health Organization declared the spread of polio a global health emergency, as the virus, once driven to the brink of extinction, is mounting a comeback. 一度几近消失的小儿麻痹症死灰复燃，世界卫生组织宣布小儿麻痹症的传播是一场全球健康危机。好的，今天我们学习的词是 on the brink of, on the brink of, on the brink of...