arrive in与arrive at arrive on的具体区别

arrive at
到达,来到
一般指小地方.
One day a letter from my father arrived at the school.
有一天,学校收到了我父亲的一封信.
arrive in
抵达,到达
多为大地方,还可以表示乘车到达.
The steamer arrived in harbor last night.
汽船是昨晚进港的.
arrive on
到达
既可以指大地方,也可用于小地方...
arrive on Mars 到达火星
They arrived on the horse court at two.
两点钟时他们到达跑马场.