She had a leading role in shaping party policy.

该党奉行何种政策，她起着主导作用。

Germany is playing a leading role on the international stage.

德国在国际政治舞台上起着主导作用。

I felt it was important for women to join and take a leading role.

我感觉妇女参与并担任领导角色很重要。

A young unknown played the leading role.

演主角的是一个名不见经传的年轻人。

She was offered the leading role in the new TV series.

她获得主演那部新的电视连续剧的机会。