water soluble amino resin

例句：

1. 1. Water-soluble agar is commonly used in the laboratory for testing biological reactions.
   水溶性琼脂在实验室中常用于测试生物反应。
2. 2.The water-soluble agar powder was added to the test tubes to create a gel medium.
   将水溶性琼脂粉加入试管中以形成凝胶介质。
3. 3.In this experiment, we used water-soluble agar to prevent bacterial growth during the fermentation process.
   在这个实验中，我们使用水溶性琼脂来防止发酵过程中细菌的生长。