portend d预兆;预示
portend prophesy presage prefigure四大预言
Tend & portend预示
Black clouds portend a storm乌云是暴风雨的前兆
Threatening skies portend a storm预示着风暴到来的乌云
mega million omen portend sign预兆
The computer realization of Portend预示库仑分析的计算机实现
portend the dark to come预示着黑暗即将到访
V-T（及物动词） If something portends an event or occurrence, it indicates that it is likely to happen in the future. 预示; 预兆; 预报 [正式]
The change did not portend a basic improvement in social conditions.
该变化没有预示社会状况的基本改观。