单词 beyond,over ,都有超出范围的意思的 他们的词性?用法?区别?

eyond：
prep.超过；越过；那一边；在...较远的一边
adv.在远处；在更远处
n.远处
e.g.On his right was a thriving vegetable garden and beyond it a small orchard of apple trees.
over:
adv.结束；越过；从头到尾
prep.越过；在…之上；遍于…之上
adj.结束的；上面的
vt.越过
e.g.He looked at himself in the mirror over the table.