opal bulb

例句：

1. 1. The opal bulbs in the garden are a sight to behold.
   花园里的琥珀球茎非常美丽。
2. 2.The amber bulbs were carefully harvested from the forest floor.
   从森林地面精心收获了琥珀球。
3. 3.The opaline bulbs are known for their unique color and texture.
   这种球茎以其独特的颜色和质地而闻名。