crystal ball

n.

（占卜用的）水晶球，玻璃球，预言未来的方法；

复数：crystal balls

Crystal ball
Crystal ball
Crystal ball
suPAR: the molecular crystal ball
Using Context as a Crystal Ball: Rewards and Pitfalls
A glance into the crystal ball: winners and losers in cosmetics
Long-Range Forecasting: From Crystal Ball to Computer
Light and rotary structure outside of crystal ball
Power supply noise in future IC's: a crystal ball reading
Long Range Forecasting: From Crystal Ball to Computer (2nd Edition)
Guidance for crystal ball gazers: developing a code of ethics for landscape visualization
Anti-Mullerian hormone--is it a crystal ball for predicting ovarian ageing?
Comparative physiology: a “crystal ball” for predicting consequences of global change