Translation of "Brink" in Chinese

First Contact became humanity's salvation as it was at the brink of self-destruction.

在人类自我毁灭的边缘，第一次接触成了福音。

Due to total Russification in Belarus, the Belarusian language is on the brink of extinction.

由于完全的俄罗斯化在白俄罗斯里，白俄罗斯语在绝灭的边缘。