pitch binder

例句：

1. 1. 投球手
   投球者
2. 1. The pitch binder is essential for the construction of wooden beams.
   投球粘合剂对于木梁的建造至关重要。
3. 2. The gluer used to hold the pieces together was very effective.
   用来将各部分粘合在一起的胶水非常有效。
4. 3.The adhesive used in this project is a special kind that holds well even under high humidity.
   这个项目中使用的特殊粘合剂即使在高湿度下也能很好地粘合。