Since 2003 the small, elite liberal arts school in Brunswick, Maine, has boosted the proportion of so-called under-represented minority students in entering freshman classes from 8% to 13%.
出自-2011年6月閱讀原文
柯林斯高階英漢雙解學習詞典釋義
VERB
使增長；推動；改進；使興旺
If one thing boosts another, it causes it to increase, improve, or be more successful.