我要打针用英文怎么说

在英语中，打针的意思是 "to give someone an injection". 这个短语来自医学术语，指在人体内注射药物或液体。

下面是一些例句：

I need to get a flu shot, so I'll have to go to the cpnic to get an injection.
The doctor gave him an injection to help reduce the swelpng in his knee.
She's afraid of needles, so she's hesitant to get an injection.

翻译：

我需要打流感疫苗，所以我得去诊所打针。
医生给他打了一针，帮助减少膝盖肿胀。
她害怕针头，所以她不情愿打针。