a Wagnerian soprano的用法和样例：
- As we drink at the bar overlooking what was once the aisle, a Wagnerian crescendo swells behind us.
- The young soprano was taken up by a famous conductor.
- It's a soprano of great compass and of great purity.
- There is a vein of melancholy in his character.
- There was a long lag in forwarding mail to us.