Halsey was identified as a leading proponent of the values of progressive education.
哈尔西被认为是进步教育价值观的首要支持者。
《柯林斯英汉双解大词典》
The most influential proponent of the coastal migration route has been Canadian archaeologist Knut Fladmark.
沿海移民路线最具影响力的支持者是加拿大考古学家克努特·弗拉德马克。
In 1938, at the government-convened National Health Conference, organized labor emerged as a major proponent of legislation to guarantee universal health care in the United States.