培训班是training classes兴趣班是interest classes 这个是金山词霸和爱词霸里的 这两个都是最权威的 你不必担心还有 你可以直接把要学的东西加class 比如：Study on the Primary School Wushu Class Teaching关于小学武术兴趣班教学的几点思考下面给你几个例句做参考If the Tropical Cyclone Signal No.8 or above or Black Rainstorm Warning is cancelled 2 hours before the start of the programmes, all programmes will be held as scheduled. 如在兴趣班/活动集合时间前少于两小时改悬挂三号风球或卸下黑色暴雨警告，所有兴趣班/活动应仍旧取消。 A total of 689 instrumental music training classes and interest classes have been conducted for 3 635 trainees. 音乐事务处共开办了689个器乐训练班和兴趣班，学员有3635名
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