1727, from broad (adj.) + -en (1). The word seems no older than this date (discovered by Johnson in one of James Thomson's "Seasons" poems); broadened also is first found in the same poet, and past participle adjective broadening is recorded from 1850.
雙語例句
1. We must broaden our appeal.
我們必須進行更廣泛的呼吁。
來自柯林斯例句
2. We'll broaden the discussion out in a minute.
我們馬上要擴大討論的范圍。
來自柯林斯例句
3. a promise to broaden access to higher education
拓寬高等教育渠道的承諾
來自《權威詞典》
4. Let's broaden out the discussion to talk about education as a whole.