rare plant

例句：

1. 1. The rare species of flower is the most beautiful in the world.
   这种稀有的花卉是世界上最美丽的。
2. 2. The rare bird was spotted by a local guide.
   当地向导发现了一只稀有的鸟。
3. 3. Rare earth metals are essential for modern technology.
   稀有金属对于现代科技至关重要。