English is not used as the first language in China.

在中国英语不是被用作第一语言。

youdao

French did not replace English as the first language.

法语却没有取代英语而成为英国的第一语言。

youdao

English is spoken as the first language in many countries.

英语在许多国家被当作第一语言使用。

youdao

Most Jews in the first century would've used Greek as their first language,not Hebrew or even Aramaic.

主后第一世纪大多数犹太人都把希腊语当作第一语言,而不是希伯来语或阿拉米语。

耶鲁公开课 - 新约课程节选

Heritage Minister Alun Ffred Jones AM described it as "a historic day for the Welsh language" as the assembly government passed its first piece of legislation on the Welsh language.

BBC: Welsh Assembly

Somali is a close second to English as the most-spoken first language in Moss Side schools.

ECONOMIST: Urban living

Cornish is believed to have died out as a first language in the late 18th Century.

BBC: Land's End Cornish translation removal criticised