trainer
/ˈtreɪnə(r)/noun
1
- a person who trains people or animals教员; 教练, 驯兽师。
1.1
- informal an aircraft or simulator used to train pilots〈非正式〉教练机, 飞行练习器。
2
- Brit. a soft shoe, suitable for sports or casual wear〈英〉运动跑鞋; 休闲软鞋。