他12岁时，就被微软公司认证为合格的系统工程师，成为最年轻的系统工程师之一。

When he was 12, Microsoft certified Derek as a qualified systems engineer, one of the youngest ever.

youdao

他12岁时，就被微软公司认证为合格的系统工程师，成为最年轻的系统工程师之一。

When he was 12, Microsoft certified Derek as a qualified systems engineer, one of the youngest ever.

youdao