back的用法及短语
的有关信息介绍如下:
“back”的用法及短语
一、基本用法
作为形容词:表示“后面的”、“背部的”。例如:
- The book is on the back shelf.(书在后面的架子上。)
- She felt a pain in her back.(她感到背部疼痛。)
作为副词:表示“向后地”、“往回地”。例如:
- He walked back to his room.(他走回房间。)
- Please step back so I can pass.(请往后站一步,让我过去。)
作为名词:表示“背部”、“后面”。例如:
- He gave me a pat on the back.(他拍了拍我的背。)
- The car was hit from behind.(车被从后面撞了。)
作为动词:表示“(使)后退”、“支持”。例如:
- She backed away from the fire.(她从火堆旁后退。)
- He backed his friend's decision.(他支持朋友的决定。)
二、常用短语
back and forth:来回地。例如:
- They argued back and forth for hours.(他们争论了好几个小时。)
back down:(因害怕或压力而)退缩、让步。例如:
- After some consideration, he decided to back down from his original position.(经过一些考虑后,他决定放弃原来的立场。)
back off:后退、保持距离。例如:
- The dog barked and I backed off.(狗叫了起来,我往后退了几步。)
back up:(1)支持、拥护;(2)备份数据;(3)(车辆)倒车。例如:
- He always backs up his teammates.(他总是支持他的队友。)
- Don't forget to back up your files before installing the new software.(在安装新软件之前别忘了备份你的文件。)
- Be careful when you back up the car.(倒车时要小心。)
be back:回来。例如:
- I'll be back in an hour.(我一个小时后回来。)
get back:(1)返回;(2)取回、收回。例如:
- When will you get back from vacation?(你什么时候度假回来?)
- Can you get back my book that I lent you?(你能把我借给你的书还给我吗?)
go back:(1)回到(原处);(2)追溯、回顾。例如:
- Let's go back to the beginning of the story.(让我们回到故事的开头。)
- This tradition goes back hundreds of years.(这个传统可以追溯到几百年前。)
turn back:(1)翻回、折回;(2)拒绝接受、退回。例如:
- Turn back to page 10 and read the paragraph again.(翻到第10页,再把那段话读一遍。)
- He turned back the offer of help.(他拒绝了帮助。)
以上是“back”的基本用法和一些常见短语,希望这些例子能帮助你更好地理解和运用这个词。



