biopolymer drilling fluid

例句：

1. 1. Biopolymers are widely used in the field ofmedicine.
   生物聚合物在医学领域广泛应用。
2. 2. Thenew drug is made from biopolymersextracted from plants.
   这种新药是从植物中提取的生物聚合物制成的。
3. 3. The studyfocused on the biopolymers that couldbe used to make new materials.
   该研究专注于可用于制造新材料的生物聚合物。