orchid plant的用法和样例：
例句
- Orchid mycorrhizae has certain impacts on germination of orchid seeds and growth of orchid seedlings.
菌根真菌对兰科植物的种子萌发及植株生长发育均有一定影响。 - In view of the endangerment situation of Xiaoheishan orchid plants and their economic, scientific and cultural values, great attention should be paid on their conservation.
鉴于兰科植物重要的保护价值，应加强保护区兰科植物的保护。
