1,about the room 2,for about twenty minutes 中的about是什么词性

1,about the room 2,for about twenty minutes 中的about是什么词性 About twenty minutes' walk.提问 英语翻译You walk for about twenty minutes,wearing the coat and c The station is about twenty minutes by car 急求! 英语词性转换： The ___ for the parcel is about twenty yuan.(pos be concerned about 中的concerned是什么词性? it takes him about twenty minutes to （） school.其中 minutes是什么 the film ( )about ten minutes. I turn on the bkender for about two minutes.(对for about two Turn on the blender for about two minutes.为什么for about 可以连在一 两个介词可以放在一起么?例如：You walk for about twenty minutes . 英语翻译You fish for about twenty minutes.Finally you catch one.