upturn

n.

好转；上升趋势；

vt.& vi.

翻转；（使）朝上；

复数：upturns

1. The economy is experiencing an upturn.
   经济正在好转。
2. Her luck seems to have taken an upturn.
   她似乎时来运转了。
3. An upturn in the sales figures delighted our manager.
   销售额的增长使我们的经理很高兴。
4. Company profits have declined over the last three years but there are signs of an upturn on the horizon.
   公司的利润在过去的3年中持续下降，不过，好转的兆头已露端倪。

The UV Upturn in Elliptical Galaxies as an Age Indicator
A Binary Model for the UV-upturn of Elliptical Galaxies
A Binary Model for the UV-upturn of Elliptical Galaxies
Perspectives on the recent upturn in divorce and remarriage
Sharp upturn of life expectancy in the Netherlands: effect of more health care for the elderly?
Recent upturn in mortality in rural Zimbabwe: evidence for an early demographic impact of HIV-1 infection?
On the Origin of the Ultraviolet Upturn in Elliptical Galaxies. II. Test of the Horizontal Branch Hypothesis
Constraints on the origin of the ultraviolet upturn in elliptical galaxies from Hopkins Ultraviolet Telescope observations of NGC 1399
Evidence for a Sizable Age Spread among Galaxies from the Ultraviolet-Upturn Phenomenon in Early-type Systems
Observation of cluster formation in polyelectrolyte solutions by small-angle neutron scattering. 1. A steep upturn of the scattering...