名词
中文翻译：Unknown
同义词：
['trainer', 'instructor', 'coach', 'mentor', 'tutor', 'instructor', 'teacher', 'educator', 'coach', 'mentor', 'tutor', 'instructor', 'teacher例句：1. The periscope trainer is a device that allows the user to view distant objects through a small window on the end of the device.（这个望远镜训练器是一种设备，允许用户通过设备末端的小窗户观察远处的对象。）']
例句：
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1. The periscope trainer is a device that allows the user to view distant objects through a small window on the end of the device.
这个望远镜训练器是一种设备，允许用户通过设备末端的小窗户观察远处的对象。
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2. The trainer is responsible for teaching the new employees how to use the equipment and perform their taskseffectively.
培训师负责教授新员工如何使用设备并有效地完成他们的任务。
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3.The trainer has been working with the athletes to improve their performance and prepare them for the upcoming competition.
培训师一直在与运动员合作，以提高他们的表现并为即将到来的比赛做准备。