Question

across
a.cross  AHD[…-krôs“, …-kr¼s“]   DJ[*6kr%8s, *6krKs]  KK[*6kr%s, *6kr$s]
prep.（介词）
1.On, at, or from the other side of:
    在对面，在另一边：在或从…的另一边：
    across the street.
    街的对面
2.So as to cross; through:
    穿过；越过：
    drew lines across the paper.
    在纸上画交叉线
3.From one side of to the other:
    横过，越过：从…的一边到另一边：
    a bridge across a river.
    横跨河两岸的桥
4.Into contact with:
    碰上，接触：
    came across my old roommate.
    遇上我的老室友
adv.（副词）
1.From one side to the other:
    穿过，越过：从一边到另一边：
    The footbridge swayed when I ran across.
    当我跑过天桥时，桥晃个不停
2.On or to the opposite side:
    在另一边，到对面：
    We came across by ferry.
    我们搭渡船到对岸
3.Crosswise; crossed.
    成十字形；交叉的
4.In such a manner as to be comprehensible, acceptable, or successful:
    使成功，使了解：以能被理解、接受或成功的方式进行：
    put our idea across; get a message across.
    传达我们的意见；了解一信息
adj.（形容词）
    Being in a crossed position:
    成十字形的，交叉的：处于一十字形状的位置：
    seated with arms across.
    抱臂坐着
ORIGIN
1.Middle Englishacrois
    中古英语acrois
2.from Anglo-Normanan croiz
    源自 英法语an croiz
3.an [in]  from Latinin * see  in-²
    an [在…里]  源自 拉丁语in *参见in-²
4.croiz [cross]  from Latincrux * see  cross
    croiz [跨过]  源自 拉丁语crux *参见cross