She chose to be backed by a classy trio of acoustic guitar, bass and congas.

她选择了用原声吉他、低音吉他和康茄鼓组成的经典三重奏组合为自己伴奏。

《柯林斯英汉双解大词典》

It used to be backed by gold.

过去它被金子支持。

youdao

The dollar should be backed by gold and silver, so we have hard money.

美元应当由金银来做后盾，所以我们要有硬性货币。

youdao

Republican Mike Pence said diplomacy must be backed by strong sanctions, while Democrat Shelley Berkeley pointed to Iran's nuclear program and threats against Israel by Iranian President Mahmoud Ahmadinejad, in explaining her support.

VOA: standard.2009.10.28

It used to be backed by gold.

过去它被金子支持。

耶鲁公开课 - 金融市场课程节选

Your money used to be backed by real things like gold and commercial paper.

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However, a major sticking point is whether a new self-regulatory body should be backed by law.

BBC: Press regulation deal 'is still possible'

The mortgage must not be backed by Fannie Mae or Freddie Mac.

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