基本解释[经济学]语言训练器英汉例句双语例句The trainer speaks the epilogue in the speech contest.演讲比赛由培训师念结束语。speech trainer更多例句词组短语短语speech h trainer 语言训练器speech auditory trainer 言语听觉训练器telephone type speech auditory trainer 电话式语言听觉训练器speech trainer更多词组专业释义经济学语言训练器