fly across the room 为什么不是fly through the room

fly across the room 为什么不是fly through the room across the room 还是throngh the room? She was thrown across the room. charge across the room什么意思? fly over the river ,fly across the river ,walk over the bridge ,walk across the bridge有什么区别 ---Can a plane fly ___ the Atlantic Ocean?---Yes,but it needs to go ___ the clouds for hours.A.across,through B.through,across C.across,across across room还是through room who was thrown across the room 有 throw across 这个词组? 为什么要用“across the room而不用through the room?RT his room was opposite to mine across the middle room . 这句子怎么翻? 谢谢. 两道英语是非题fly across the sky 还是 fly through the skyThe plane is flying above the roofs of the sky 还是 The plane is flying over the roofs of the sky那么请问飞机是用fly across the sky还是fly through the sky ‘鸟儿是fly a The waiter shouted the room.空白部分使用through还是across across the across the across the Across the ``````````````` 求 across 介词的用法?Tom walked across the room and lay in bed after he came home句中across 怎么用法呢? This is our room,ahd_（you) is just across the hall