He’s doing a month’s unpaid work experience with an engineering firm.

他正在一家工程公司无偿工作一个月获得工作经验。

He obtained experience through practice.

他通过实践获得了经验。

I gained my experience.

我获得了经验。

As a holder of this visa, you may apply for permanent residence at any time if you are able to meet the passmark on the General Skilled Migration points test.

这类签证允许海外生在没有达到永久的技术移民签证标准前，可留在澳大利亚18个月，使他们获得工作经验和提高他们的英语水平。