5 老师说数学有用，但是我认为很难。英语句子怎么翻译？老师说数学很有用，但是我认为很难.The teacher says that mathematics is very useful， but I think it is very difficult.5 老师说数学有用，但是我认为很难
5 老师说数学有用，但是我认为很难。英语句子怎么翻译？
老师说数学很有用，但是我认为很难.The teacher says that mathematics is very useful， but I think it is very difficult.
5 老师说数学有用，但是我认为很难。英语句子怎么翻译？
老师说数学很有用，但是我认为很难.The teacher says that mathematics is very useful， but I think it is very difficult.5 老师说数学有用，但是我认为很难。英语句子怎么翻译？
老师说数学很有用，但是我认为很难.The teacher says that mathematics is very useful， but I think it is very difficult.5 老师说数学有用，但是我认为很难。英语句子怎么翻译？
老师说数学很有用，但是我认为很难.The teacher says that mathematics is very useful， but I think it is very difficult.本文链接：http://21taiyang.com/Open-SourceComputers/5661433.html
我以前觉得数学很难翻译 5 老师说数学有用，但是我认为很难。英语句子【zi】怎么翻译？转载请注明出处来源