She opened up a jar of plums.

她打开了一罐李子。

《柯林斯英汉双解大词典》

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He unscrewed a jar of mustard.

他拧开了芥子酱的瓶盖。

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You're familiar with this, if I had a jar of acetone or some kind of a volatile liquid, let's say I have perfume.

举个常见的例子,假如你有一瓶丙酮或者其它挥发性液体,就说香水吧

耶鲁公开课 - 生物医学工程探索课程节选

The jar was round upon the ground And tall and of a port in air.

圆圆的坛子置在地上,高高地立于空中。

耶鲁公开课 - 文学理论导论课程节选

So if you had a jar full of triglycerides it would behave like an oil, many would be liquid at room temperature.

所以如果你有一满瓶甘油三酯,它看上去就好像油一样,它们在室温下都是液体

耶鲁公开课 - 生物医学工程探索课程节选

Mondoux gave Schreiner a jar of chafing cream for his journey, told him he'd need it.

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But the product is as legal as a loaf of bread or a jar of pickles.

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If you would not eat a jar of baby food, then why give it to your child?

BBC: Parents 'need baby food cookery classes'