一位女医生的特写镜头，她将胰岛素注射器伸出手掌。镜头聚焦在注射器上，女性的脸在背景中模糊不清。

-up of a female doctor holding an insulin syringe in her outstretched hand. The focus is on the syringe; the woman's face is blurred and out of focus in the background. This type of syringe is used in clinical medicine to administer injections and infuse intravenous therapy into the bloodstream. She is a medical specialist wearing glasses, green scrubs, surgical mask, and a surgical cap.