crusade
- n. 改革运动；十字军东侵
- vi. 加入十字军；从事改革运动
英英释意
- 1. a series of actions advancing a principle or tending toward a particular end;
- "he supported populist campaigns"
- "they worked in the cause of world peace"
- "the team was ready for a drive toward the pennant"
- "the movement to end slavery"
- "contributed to the war effort"