bireactant

例句：

1. 1. The reaction between the two chemicals is very complex.
   这两种化学物质之间的反应非常复杂。
2. 2. This bireactant can be used to create a variety of products.
   这种双反应物可以用来制造各种产品。
3. 3. The bireactant was added to the solution to increase its strength.
   向溶液中加入这种双反应物以增强其强度。