do something without studying it first after one has become accustomed to it
习用用英文怎么说
习见用英文怎么说
习语用英文怎么说
习语词典用英文怎么说
习近平用英文怎么说
英语词典收录了最新的汉英词典和英汉词典，总共有200多万个词条，词库仍在不断更新中。
