the great pyramid is about 144 meters high

问题描述:

the great pyramid is about 144 meters high
为什么不用144-meter

144-meter这种用法是相当于一个形容词,high应该改成它的名词形式是不是144-meter+名词144 meters+ 形容词呀恩,最后面也可以不加high,直接写。比如说:她15岁。就有两种写法1 She is 15 years old.2 She is a 15-year-old girl.