cusped leading edge

例句：

1. 1. The cusped roof of the house is a unique feature.
   这座房子尖顶的独特特征。
2. 2. The sharp cusped edge of the knife cuts through the meat easily.
   这把刀尖的边缘很容易切穿肉。
3. 3. The sharp cusped teeth of the tiger are deadly.
   老虎尖利的牙齿非常致命。