adv.横过；穿过；朝向特定的方向；在对面；横写地
prep.横过；穿过；在对面；在(身体某部位)上；在…各处
Can you swim across the river? 你能游到河的对岸吗？
Edgar looked in anger across at Miriam. 埃德加气鼓鼓地看着对面的米丽安。
When my name was called, he looked across at me. 当叫到我名字的时候，他从那边朝我看过来。
The post office is just across from the club. 邮局就在那俱乐部对面。
I've finished the crossword apart from 3 across and 10 down. 这份纵横字谜除横3竖10以外我都填完了。
用作介词 (prep.)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。
My house is just across the street. 我家就在对街上。
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。
She gave him a slap across the face. 她打了他一个耳光。
Her family is scattered across the country. 她家中的人散居全国各地。
The peasants across the country are on strike. 这个国家的农民在进行罢工。
across后常加from， He lives across (the street) from my house.他住在我的房子的对面。
与across不同，through是指在三维空间里移动。 We walked across the ice.I walked through the wood.
adv.(副词)across用作副词时基本意思是“在〔到〕对面”。与静态动词连用多表示位置“在对面”,与动态动词连用多表示位置“向对面”“从这一边到另一边”。
across与数量短语连用,置于单位名词之后,意为“…宽”,表示跨度。
across还可表示状态,意为“成十字形交叉状”。
across在句中主要用作状语,也可用作表语或宾语补足语。
across不用于比较等级。
