probation period

例句：

1. 1. During his probation period, he was required to complete various community service hours.
   在缓刑期间，他需要完成各种社区服务小时。
2. 2.The company has decided to implement a probationary system for new hires to ensure quality control.
   公司决定对新员工实施试用期制度，以确保质量控制。
3. 3.After completing the probation period, the student was granted permission to continue their studies without further supervision.
   在完成缓刑期后，该学生被允许继续学习，无需进一步监督。