adj.金字塔形的,锥体的
His heart quailed before the enormous pyramidal shape.
面对这金字塔般的庞然大物,他的心不由得一阵畏缩.
It is argued that the pyramidal radical would be more reactive.
可以认为锥形的自由基比较活泼.
The buds are conical or pyramidal in shape.
花蕾呈圆锥形或金字塔形。