orific union

例句：

1. 1.The plant's ability to orifice union is crucial for its survival.
   植物通过气孔联合的能力对其生存至关重要。
2. 2.The scientists discovered a new method to orifice union the two gases.
   科学家们发现了一种新的方法来使两种气体通过气孔联合。
3. 3.The orifice union between the two organisms is essential for their mutual survival.
   这两种生物之间的气孔联合对于它们的共同生存是必要的。