cross和across这2个单词怎么用？

【cross与across区别】
across与cross形近义同,但词性不同,
across用作介词或副词,表示一个穿越动作时要与一个实义动词连用;
cross用作动词,可单独表示穿越动作。

【cross作动词用法】
Meet me at the point where the two paths cross.
我们在那两条路的交叉点见面吧。
The experts in the zoo tried to cross a leopard with a lion.
动物园里的专家们试图使豹与狮子杂交。
He crosses me in everything.
他处处与我作对。
We can cross his name off the list as he's not coming.
他既然不来了,我们可以把他的名字从名单中划掉。
My mother crossed an acquaintance on the street.
我妈妈在街上遇到一个熟人。
He has been crossed in his plans.
他的计划遭到阻碍。

【across做介词用法】
A big tree fell across the ditch.
一棵大树横贯沟渠倒下。
A bridge across the river must be built.
必须造一座跨越这条河的桥。
I helped a blind man across the street.
我扶一个盲人过了街。
We shall soon be across the Channel.
我们不久即将渡过英吉利海峡了。
He shouted to me from across the room.
他从房间的另一边向我喊。
【across做副词用法】
Can you swim across the river?
你能游到河的对岸吗？
The drunk man stagge