spike width

例句：

1. 1. The car's wheelbase is 2.5 meters wide, which makes it quite spacious.
   这辆车的轴距是2.5米宽，所以空间相当宽敞。
2. 2. The sharp spikes on the fence are designed to deter intruders.
   篱笆上的尖锐刺是用来阻止入侵者的。
3. 3. The width of the tunnel varies depending on the depth and the size of the opening.
   隧道的宽度根据深度和开口的大小而变化。