roly-poly的例句（roly-poly在句子中的用法）

• Poly ( L - lactide ) ( PLLA ) was synthesized by ring - opening polymerization of L - lactide using cyclic tin alkoxide compound as initiator. 以环烷氧锡化合物引发L-丙交酯开环聚合制备高分子量聚L - 乳酸.
• Poly ( p - dioxanone ) ( PPDO ) and Poly ( ε - caprolactone ) ( PCL ) are both aliphatic polyester. 聚对二氧环己酮( PPDO ) 和聚ε - 己内酯 ( PCL ) 都是脂肪族聚酯,具有优异的生物相容性和生物可降解性.
• Use poly8.5unsaturated spread instead of butter. 用多不饱和抹酱取代黄油。