cow glue powder

例句：

1. 1. She used to make her own glue by mixing cow's milk with cornstarch.
   她过去用牛奶和玉米淀粉混合制作自己的胶水。
2. 2. The glue was so sticky that it stuck the paper together without any effort.
   胶水太粘了，以至于它不需要任何努力就把纸粘在一起。
3. 3. The glue powder is easy to use and can be mixed with water to create a strong adhesive.
   胶水粉末易于使用，可以与水混合以创建一种强力的粘合剂。