校园英语口语习惯用语 第23期:back up

校园英语口语习惯用语 第23期:back up  

back up 支持,
,【讲解】
,此语含义较多，常表示“证明某人所说为实”、“支持物，备用设施”，多用于backup plan/system/generator etc.中。


,【对话】
,A: I decide not to buy the mobile phone.
A:我决定先不买手机了。,B: But you told me yesterday you would.
B:可昨天你还说你会买。,A: I have changed my mind.
A:我改主意了。,B: What's wrong?
B：怎么了？,A: My family doesn't back me up at this point. They think it is useless to me now as a student.
A: 我们家人不支持我。他们说我现在还是学生，手机对我没用。