absorbable gelatin powder的用法和样例：
- You can use pectin and gelatin powder instead of agar-agar.
- Add sugar and water in a pot, bring to a boil and simmer until the sugar is completely dissolved. Remove. Add in gelatin powder and stir to dissolve.
- The swell sponges were kept in the nostril for 1 week, and absorbable gelatin sponges with Pulmicort respule were given into the same nostril each time when the patients came in the following stage.
- Dissolve the gelatine powder with hot water.