n.上升；增长；改进；回升时期
v.向上摆动；提高；回升
This policy led to an upswing in the party's popularity. 这一政策使该党深得人心。
It's a tremendous upswing in technological progress. 这是技术发展上的巨大进步。
The economy seems to be on the upswing. 经济好像处在回升时期。
