估计: estimate; evaluate; take stock of; size up; calculate; appraise; reckon; estimation; forecast 短语和例子大致估计 rude estimates; 非常乐观的估计 a very optimistic estimate; 照我的估计 by my reckoning; 据保守的估计 on
降: 降动词1.(投降) surrender; capitulate 短语和例子宁死不降 rather die than surrender2.(降伏) subdue; vanquish; tame 短语和例子一物降一物。 there is always one thing to conquer [overcome] another.