trainer：n. 助理教练；训练员；驯马师；飞行练习器；运动鞋A trainer throws fish to his seals .驯兽人把鱼儿扔给他的海豹。

His improved performance does credit to his trainer .他的表演有进步，这应该归功于他的教练。Training of trainers and agribusiness management培训者的培训和农户经营管理培训I ' m not a trainer but i can show you this too我虽然不是训练师，但我也能告诉你Even though she had been trained by a dog trainer . .虽然她曾经被驯狗师训练过。trainee：n. 练习生，实习生；受训者；新兵；训练中的动物She was taken on as a graduate trainee .她应聘为新毕业的实习生。The trainees checked out all right .实习生顺利地通过了考核。Keith didn't know the trainee beside him .基思并不认识他旁边的那个实习生。The trainees checked out all right .实习生顺利地通过了测试。She instructed the trainee nurses in giving injections .她指导实习护士练习注射。