求 across 介词的用法?Tom walked across the room and lay in bed after he came home句中across 怎么用法呢?

求 across 介词的用法?Tom walked across the room and lay in bed after he came home句中across 怎么用法呢?
求 across 介词的用法?
Tom walked across the room and lay in bed after he came home
句中across 怎么用法呢?

求 across 介词的用法?Tom walked across the room and lay in bed after he came home句中across 怎么用法呢?
across
▲ across和over均可用来表示某一范围之内（如田野、沙漠、舞池等）的动作.或表示“处
于一座高的障碍物的另一侧”.例如：
During the day,we’ll walk across the land,following the footprints of big animals such
as elephants,lions and giraffes.
白天,我们穿行于陆地,追寻大象、狮子和长颈鹿之类大型动物的脚印.
① He has traveled all over/across the Europe.
他已走遍欧洲.
② Can you jump over/across the stream?
你能跳过这条小溪吗?
③ There are three bridges across/over the river.
河上有三座桥.
④ There is an apple tree across/over the fence.
篱笆的另一边有一棵苹果树.
⑤ Another village is over/across the hill.
小山那边有一个村庄.
辨析：across和over.
▲ across表示“从某一范围的一边到另一边”.例如：
⑥ He walked across the living room into his bedroom.
他走过客厅进入房间.
⑦ How long does it take to sail across the Pacific?
横渡太平洋需要多久?
⑧ It took them three month s to go trekking across the desert.
他们花了三个月穿越这沙漠.
▲ over表示“从顶上越过或克服某一困难”.例如：
⑨ The boy climbed over the fence and disappeared.
男孩翻过篱笆不见了.
⑩ He looked back over his shoulder.
他从肩膀上往后看.
(11) They got over many difficulties in their English study.
他们克服了英语学习中的许多困难.
注：across作“遍及”解释,这时与all over/throughout同义.例如：
(12) The news spread across/all over/throughout the country.
这消息传遍整个国家.
辨析：across,over 和through.
▲ through prep.表示“从……穿过”,常指从物体的中间穿过.例如：
① The tourists traveled through the forest.
旅游者穿过森林.
② He went in through the open window.
他从开着的窗户进入.
③ She looked into the room through the key hole.
她从钥匙洞往房间里边看.
▲ through prep.表示原因,相当于because of 或as a result of.例如：
④ It was through his carelessness that the money was lost.
是因为他的粗心钱才丢了.
⑤ It was all through you that we were late.
我们之所以迟到,完全怪你.
⑥ The accident happened through no fault of yours.
这个事故的发生并不是你的过错.
⑦ We lost ourselves through not knowing the way.
我们因不认识路而迷失方向.
▲ through prep.也可以用来表示借助于某种工具、方法或手段,相当于by means of,意为
“通过”“依靠”.例如：
⑧ We learn a language through (= by) speaking it.
我们通过对话来学一门语言.
⑨ I got the news through a friend of mine.
我是通过我的一个朋友得知这一消息的.
⑩ He achieved his goal through (= by) hard work.
他通过努力奋斗实现了目标.
▲ through adv.表示“自始至终”“完全地”“直达”.例如：
(11) He slept the whole night through.
他睡了一整夜.
(12) You are wet through.
你全身湿透了.
(13) This train goes through to Paris.
这火车直到巴黎.

across：越过, 交叉, 在...的那边, 在...对面那边

across
prep.
1. 横越,穿过
We walked across the street.
我们穿过马路。
2. 在...那边
He stared at the Englishman across the table.
他两眼一直盯着坐在桌子对面的那个英国人。
3. 与...相交叉
The two ...

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across
prep.
1. 横越,穿过
We walked across the street.
我们穿过马路。
2. 在...那边
He stared at the Englishman across the table.
他两眼一直盯着坐在桌子对面的那个英国人。
3. 与...相交叉
The two lines cut across each other.
两条线相互交叉。
ad.
1. 横过
We got into the boat and rowed across.
我们上了船,将船划到对岸。
2. 宽
The river is two miles across.
河宽二英里。
3. 在对面;向对面
Can you jump across?
你能跳过去吗?

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