Translation of "Injection" in Chinese

I'll give you a painkilling injection.

我會給你注射止痛藥。

It's alright. This injection won't hurt. It will just prick a little.

没关系的，这个针不痛的，就只有一点点刺痛感。

Because of a flaw in the original design, our website is vulnerable to SQL injection attacks.

由于最初设计中的一个缺陷，我们的网站易受到SQL注入攻击。

- I prefer taking medicine rather than getting an injection.
- I prefer to take medicine rather than getting a shot.

我宁愿吃药，也不打针。