over和across区别:
across多指从一定范围的一边到另一边,且在物体的表面上或沿着某一条线的方向而进行的动作,其含义常与介词on有关。如: The students ran across the playground into the classroom.学生们穿过操场跑进教室。
当over用作“穿过”、“通过”之意时,表示到达一座高的障碍物(如树、墙、篱笆和山脉等)的另一侧的动作。如: He jumped over the wall.他跳过了墙。
over用法例句
1、When the right woman comes along, this bad dream will be over.
当有合适的女人出现时,这种胡思乱想就会停止了。
2、Over a given period, the value of shares will rise and fall.
股票的价值在某一特定的时期内会有涨跌。
3、Dave, the pianist, played it over a couple of times.
演奏钢琴的戴夫将这支曲子反复弹了两三遍。
第二个是不是专门总在河流上面
追答The plane is flying over the city.
over 从上空越过 across 从上面 (on )穿过
再如 过马路
across the street.
across 游过河
swim across the river. 过马路 walk across the street
横穿过去的意思
清楚了吗,亲
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追答嘿嘿嘿
什么口语呢