a. brought about or set up or accepted; especially long established
s. shown to be valid beyond a reasonable doubt
s. introduced from another region and persisting without cultivation
a. (被)建立的, 固定的, 既定的, 确定的, 确认的, 确立的, (被)制定的
[计] 确定的, 既定的
1. The company was established in 1990 and has grown ever since.
这家公司成立于1990年，从那时起不断发展。
2. She established a new charity to help local families in need.
她成立了一个新慈善机构，以帮助有需要的当地家庭。
3. The rules were established to ensure a fair competition.
这些规则的制定是为了确保竞争公平。