training officer

例句：

1. 1. The training officer was responsible for thesafety of all participants.
   训练官负责所有参与者的安全。
2. 2. The trainer provided detailed instructions onhow to use the new equipment.
   培训师提供了如何使用新设备的详细指导。
3. 3. The coachhelped the team improve their performance by providingfeedback and constructive criticism.
   教练通过提供反馈和建设性批评帮助团队提高表现。