semi-period

例句：

1. 1. The company is in a semi-period of transition.
   该公司正处于转型的中段时期。
2. 2. In the semi-period of the project, we need to focus on the implementation plan.
   在项目半时期，我们需要专注于实施方案。
3. 3. During the semi-period, the team worked tirelessly to complete the project.
   在半时期，团队努力不懈地完成了项目。