It is now firmly established as one of the leading brands in the country.

现在它已稳稳地确立为国内主要品牌之一。

《牛津词典》

youdao

Once an earing disorder has become firmly established, there is no easy cure.

一旦确认有了耳疾，就难以治愈。

youdao

He was firmly established as America's greatest painter of the time.

VOA: special.2010.07.25

"Exercise,diet,cognitive stimulation showed some positive effects, although the evidence was not so strong that we could actually consider these firmly established."

VOA: standard.2010.06.17

By both word and deed, Obama has firmly established himself as an unapologetic elitist.

FORBES: The Economic Philosophy Behind Newt Gingrich's Populist Surge

The committee is now a firmly established arm of government but it has a stormy history.

BBC: Who are the Senate sleuths?

What Google has that its precursors do not is an existing business, firmly established in advertising.

FORBES: Social Networks are Dead: the Business of Google+ as-a-Service