trainings的例句（trainings在句子中的用法）

• Trainings, tests and the subsequent analysis are easily performed. 培训, 测试和结果的分析能简单操作.
• Are there any IT trainings for staff in the service unit? 有否向服务单位员工提供资讯科技培训?
• All the sudden trainings was to prepare for this? 所有的突发事件训练对这有用 吗 ?