The governments of the countries in which these languages are spoken should act to prevent such languages from becoming extinct.

使用这些语言的国家应该采取措施防止这些语言绝迹。

youdao

The governments of countries in which these languages are spoken should act to prevent such languages from becoming extinct.

使用这些小语种的国家应该采取行动以防止这样的语言逐渐销声匿迹。

youdao

In accordance with longstanding principles of international law, expounded with remarkable consistency by numerous officials and scholars from various countries over hundreds of years, when the USSR became extinct, its bilateral, non-dispositive treaties lapsed.

CENTERFORSECURITYPOLICY: Center For Security Policy