例句與造句

1. Catgut has largely been replaced by synthetic absorbable polymers such as Vicryl and polydioxanone.
2. NFB is continuously developing new technologies for use in gene delivery and drug delivery using a wide range of clinically relevant materials including naturally occurring biopolymers such as collagen, elastin, hyaluronic acid and chitosan; synthetic polymers, such as polyethylene glycol ( PEG ), poly ( lactic-co-glycolic acid ) ( PLGA ), poly ( lactic acid ) ( PLA ), polyvinyl alcohol ( PVA ), polydioxanone ( PDO ), polycaprolactone ( PCL ); as well as metals, alloys, and ceramics.
3. It's difficult to find polydioxanone in a sentence. 用polydioxanone造句挺難的