Thereisabridgeovertheriver.Thereisabridgeabovetheriver.这两个句子,

Question

There is a bridge over the river.
There is a bridge above the river.
这两个句子,

Answer 1

above 脱离物体,垂直上面
over 脱离物体,上面不一定是垂直的
on 贴着面.二维空间
There is a bridge over the river.老外习惯这么说