And it was just fire engines all the time.

而且消防车总是不停地来来往往。

Birds chirped in the shrubbery outside and the cars went up and down Laurel Canyon Boulevard endlessly.

鸟儿在外面的灌木丛中叽叽喳喳地叫着， 汽车在劳雷尔峡谷大道地来来往往。

Everyone would be walking to and from class, and he would wait for it to clear before he went to his next class.

每个人都会来来往往地课，而他会等到人走清再去他的下一节课。

Their tent seemed to be pitched right alongside a kind of thoroughfare to the field, and Ministry members kept hurrying up and down it, greeting Mr. Weasley cordially as they passed.

他们的帐篷似乎就在通向赛场的一条大路旁，部里的官员们在路来来往往地奔走，每次经过时都向韦斯莱先生热情地打招呼。