摘要： 1 字母和音素不是一一对应的 2单词读音规则知识结构全图 二 15个发音不变化的辅音字母：字母发音和音素一致 b / b / by d / d / dog f / f / fish h / h / hi k / k / keyl / l / Look m / m / Move n / n / nos 阅读全文

摘要： People keep making new brain cells throughout their lives (well at least until the age of 97), according to a study on human brains.The idea has been 阅读全文