| 释义 |
〔fraise〕A defensive barrier of pointed, inclined stakes or barbed wire.防御工事：筑有尖利的、倾斜的木桩或铁蒺藜的防御性的障碍物〔crowfoot〕pl. crow.feet[-fēt'] An iron ball with four spikes arranged so that one always points upwards, used to delay the advance of mounted troops and infantry; a caltrop.【复数】 crow.feet[-fēt'] 铁蒺藜：一种上面有四个铁钉而且总有一个铁钉向上的铁球，用来阻碍骑兵或步兵部队前行；铁蒺藜〔caltrop〕A metal device with four projecting spikes so arranged that when three of the spikes are on the ground, the fourth points upward, used as a hazard to pneumatic tires or to the hooves of horses.铁蒺藜：一种金属装置，有四只突出的脚钉，三只立于地上，第四只指向上方，用作气动轮胎的闸或马蹄 |