injection

柯林斯词典

1. N-COUNT If you have an injection, a doctor or nurse puts a medicine into your body using a device with a needle called a syringe. 注射[also 'by' N]
They gave me an injection to help me sleep. 他们给我打了一针以助我入眠。
2. N-COUNT An injection of money or resources into an organization is the act of providing it with more money or resources, to help it become more efficient or profitable. (资金或资源的) 注入[商业]
An injection of cash is needed to fund some of these projects. 其中的一些项目需要投入现金资助。

My arm was very tender after the injection.
If I'm talking a bit funnily it's because I've just had an injection in my mouth .
Most patients find that the numbness from the injection wears off after about an hour .
We took our cat to the vet's for its annual cat flu injection.
The injection provides some temporary relief from the pain .