up the hill 这里的up是什么词性什么意思?

up the hill 这里的up是什么词性什么意思? go up the hill she looked up the word 这里的UP是什么词 come up to the hill hill,they,climbed,the,up (.) the train is going up a hill是什么时态 kitty is climbing up the hill.对the hill提问 Sam went up the hill是什么意思? hill,they,climbed,the,up（．） keep up the good keep up在这里的意思? fill up这里的用法we always had sandwiches , partly, i suspect, because the bread filled you up cheaply. 这里的fill up是什么用法呢 一句英语句子的用法The cart began its gradual ascent up the hill.这里up是做什么用?副词的话可以直接加名词后面?搞不懂哎T up the the is train hill组成什么英语单词? The truck s____ up gonging down the hill walk up the hill解释的要清楚 这是一道初一的题 Some teachers and students are walking up the hill的同义句 the train are going up a hill 改错 jack and jill went up the hill .改否定句