大戟

例句：

1. 1. The poisonous plant is known to cause severe allergic reactions.
   这种有毒植物已知会引起严重的过敏反应。
2. 2. The thorny plant was a difficult obstacle to overcome.
   这种荆棘丛生，难以逾越。
3. 3. The thorny plant was a valuable resource for the local wildlife.
   这种荆棘丛生，对当地野生动物来说是一种宝贵的资源。