介绍:
back 后背
I hurt my back yesterday.
我昨天伤到了后背。
I hurt my back playing basketball.
我打篮球时背部受了伤。
back 后卫
John plays back in the team.
约翰在这个队打后卫。
back 返回
come back 回来
look back 回顾
pay back 还钱
return back 返回
turn back 往回走
I will be back soon 我马上回来
When will she come back? 她什么时候会回来？
Look back on your life. 回顾一下你的人生。
They pay the money back to the government when they finish their education.
完成学业之后，他们把钱还给政府。
We must return back to school this afternoon.
我们必须在这个下午回学校。
We cannot turn back.
我们不能往回走。
1. back off ＝move back 后退，
Back off ！！让开！！
You need to back off。
你得向后退一下。
2. back out 停止不干，退出
Don't back out now. We're almost done.
现在不要退出，我们差不多做完了。
3.back out of 从...退出
I'm going to have to back out of the project. I'm not feeling well.
我要退出这个项目。我感觉不舒服。
4. back up＝help，support 支持，帮助
I'll be there to back you up.
我会帮你。
back up plan 第二方案
Do you want the back up plan？
你想要第二套方案吗？
5. backup 备份
backup battery 备用电池
backup file 备份文件
Backup anything you want to keep
请备份任何你需要保存的内容。
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