作为高校中的弱势群体，贫困大学生承受着经济和学习的双重压力。
1·But that hides the puniness of the economy.
但是这掩盖了经济的弱小。
2·Contrast anomaly method and normalization method have the near same calculating model, and can also identify puniness anomalies.
衬度异常法和归一化法的计算模型近于一致，对弱小异常也有一定的识别作用。
3·I can't forget the sense when I held the little baby in my arm. It was the first time I had seen a new baby, she is so gentle, puniness, and helpless.
我难以忘记将婴儿抱在手里的感觉，这是我第一次见到这么幼小的生命，她们是那么柔嫩，弱小，无助。