今天我们给大家带来了雅思听力必备高频词汇和短语以及例句，其中一些短语一词多义，希望大家能够认真区分意义和用法。接下来请看雅思内容：雅思听力词汇一词多义释例
1. back out
1) 退出
A: Wasn't Bert supposed to sing tonight?
B: Yes, but he backed out at last minute
2)不履行
She finally backed out of her promise.
2. be cut out for 天生适合
I’m not cut out to be a hero.
3. be absorbed in
She has been absorbed in a horrorfiction. I can't tear her away.
4. be addicted to 对…上瘾
She has been addicted to drugs for years.
5. be attached to 对…有感情
A: I'm amazed that you are still driving that old car of yours. I thought you would have gotten rid of it years ago.
B: It runs well and I've actually been quite attached to it.
6. back up
1) 累积
The subwayis running behind schedule, and traffic is backed up for blocks.
I don't know if we'll make the 6:30 show.
2) 支持
I'll back it up.
以上为雅思内容：雅思听力词汇一词多义释例
