blunder against

• adj. 碰撞

例句

用作形容词 (adj.)

1. The casks rolling about on the desk knocked against one another.
   几只滚动在工作台上的木桶互相碰撞。
2. A protective pieror dock apron used as a buffer against floating ice.
   桥墩护槛保护桥椁免受浮冰碰撞的护栏或码头围栏。