3个角色一个女生就够：医生，患者，旁白

全文大概120个词

只读冒号后面，前面是指导你语气的

Employer, holding the injection ready: Jeshan, take a deep breath.

Jeshan, feeling nervous: Madam, I'm a bit scared-

Employer, reassuring: It's natural to feel a little apprehensive,

Jeshan. Just take a deep breath and try to relax.

Voiceover: Administer the injection swiftly and smoothly into the deltoid muscle.

Jeshan, feeling the prick: Ouch!

Voiceover: Slowly push down on the plunger to deliver the serum.

Jeshan: That stings a bit.