棘

例句：

1. 1. The plant has sharp spines that can be dangerous to touch.
   这种植物有尖锐的刺，触摸可能会很危险。
2. 2. The thorny bush is a common sight in the desert.
   多刺的灌木丛是沙漠中常见的景象。
3. 3. The lion's mane is made up of long, sharp spines.
   狮子的鬃毛由长长的尖锐刺组成。