orchid species的用法和樣例：
例句
- Orchid mycorrhizae has certain impacts on germination of orchid seeds and growth of orchid seedlings.
菌根真菌對蘭科植物的種子萌發及植株生長發育均有一定影響。 - 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.
鑒于蘭科植物重要的保護價值，應加強保護區蘭科植物的保護。
