intense training of listening skills
...六、听力初级训练—— Primary training of listening skills 七、听力强化训练—— Intense training of listening skills 各国外宾的风俗习惯及主要禁忌custom of western countries in general ..
基于4个网页-相关网页
intense training of listening skills
听力技能的强化训练
以上为机器翻译结果，长、整句建议使用 人工翻译 。