Premature babies have to be fed intravenously.

早产儿必须通过静脉输入来喂食。

《柯林斯英汉双解大词典》

Children are woken up to be fed every three hours.

孩子们每3个小时就要被叫醒一次接受喂食。

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It's waiting to be fed!

它在等人给它喂食！

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Baby care experts had believed that babies must be fed at the same times every day or they would grow up to be demanding children.

VOA: special.2009.03.15

Most censuses were taken, by the way, as a way of counting heads, the number of people who had to be fed at the time of a siege.

顺便提一下,大多数人口普查,都采用数人头的方法,即在围城期间统计需要给养多少人口

耶鲁公开课 - 欧洲文明课程节选

So although the New Critics were fed up with philological criticism, I don't mean to be condescending toward it or to suggest that it didn't play a crucially important role in the evolution of literary studies.

所以，虽然新批判主义,对语言学批判主义不满，但是并不是要否认语言学批判主义,在文学研究发展过程中,起到的重要作用。

耶鲁公开课 - 文学理论导论课程节选

If the workers keep the economy moving, then the workers have to be fed.

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But instead of waiting to be fed, a larva devours the second egg that her mother laid.

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Until people stop driving cars that burn gasoline, those vehicles will need to be fed, he says.

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