To be desperately hungry and waiting to be fed; to be in a state of urgent need for sustenance or assistance, often implying helplessness or vulnerability.
刚孵化的小鸟们在巢里嗷嗷待哺，等待着鸟妈妈带来食物。
The newly hatched birds in the nest were crying out for food, waiting for their mother bird to bring them sustenance.
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