three-day 可看作是一个复合形容词,可修饰名词holiday .至于
a five years old boy这个短语,它本身就是错的.我们一般用
a five-years-old boy.至于five years old 我们一般用he is five years old.它等于he is a five-years-old boy.觉得好的话 赞一个
three-day 可看作是一个复合形容词,可修饰名词holiday .至于
a five years old boy这个短语,它本身就是错的.我们一般用
a five-years-old boy.至于five years old 我们一般用he is five years old.它等于he is a five-years-old boy.觉得好的话 赞一个