across/ə'krɔs/

1.preposition

(moving from one side to the other of) 穿过

He walked across the room.
他穿过这个房间。
2.preposition [of street] [ river] [ room etc] 
(situated on the other side of) 在…对面

the houses across the street
在街对面的房子
3.preposition

(extending from one side to the other of) 跨越

the bridge across Lake Washington
跨越华盛顿湖的桥
4.preposition

(over) 搭在…上

Her clothes were lying across the chair.
她的衣服正搭在椅子上。
5.preposition

(involving different groups) 跨越

parties from across the political spectrum
来自不同政治派别的党派
6.adverb

(to/from a particular place/person) 从/向对面

Richard walked across to the window.
理查德向对面的窗户走去。
7.adverb

(from one side to the other) 从一边到另一边

8.adverb

across from (opposite) 在…对面

They parked across from the theatre.
他们把车停在剧院的对面。
9.adverb

across at/to (towards) 朝向

He glanced across at his wife.
他朝他的妻子瞥了一眼。
10.adverb

(in width) 宽

a hole 200 metres across
200米宽的洞
to get {or} put sth across to sb
让某人明白某事