PREFIX
（與形容詞和名詞連用構成形容詞）表示“親”，“支持”，“贊成”
You can add pro- to adjectives and nouns in order to form adjectives that describe people who support or admire a particular person, system, or idea.
例句
He was at the forefront of the pro-democracy campaign in the country...
他活動在該國親民主運動的前沿。
Younger voters are strongly pro-European...
年輕選民是堅定的親歐派。