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. 他們給我打了一針以助我入眠。
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. (資金或資源的) 注入[商業]
An injection of cash is needed to fund some of these projects. 其中的一些項目需要投入現金資助。

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 .