请家长朋友大概了解词源:A classical compound, being a naturalization into English via the German Biologie from the New Latin coinage biologia, with components derived from Ancient Greek βίος + -λογία .
在26个英文字母分为元音字母和辅音字母,元音字母有:A a E e I i O o U u ,除此之外是辅音字母。双元音是由两个单元音拼凑而来的,两个单元音的发音技巧:前长后短,前重后轻,发音要顺滑,要饱满 。