The design selected had two seperate roadways stacked on top of each other. Both are hang in the air from thick steel cables supported by two giant steel towers.
on top of是什么意思
还有in the air from 的from要怎么理解
追答on top of,堆叠,例如纸箱纸盒子堆叠的那种样子
from这里指代被什么悬吊在半空
追问那个on top of不是在什么上面的意思吗?
from 有指代的用法吗?
追答介词引导后面的名词
本回答被网友采纳