一句英语句子的用法The cart began its gradual ascent up the hill.这里up是

一句英语句子的用法The cart began its gradual ascent up the hill.这里up是 up the hill 这里的up是什么词性什么意思? walk up the hill hill,they,climbed,the,up (.) come up to the hill Now it was getting dark and the bus began to go up a hill.(翻 Now it was growing dark and the bus began to go up a hill.Su hill,they,climbed,the,up.连词成句, jack and jill went up the hill .改否定句 The horse _____ quickly up the hill. up the hill是上山还是在山上? "Some teachers and students are walking up the hill"的同义句