brink [brɪŋk]

以下由轻松背单词网站提供

n.(悬崖、河流等的)边缘，边沿

the point where a new or different situation is about to begin

The tree grew on the brink of the cliff. 那棵树生长在峭壁的边缘。
The two countries were poised on the brink of war. 这两个国家处于交战的边缘。