Krebs has discovered that great blue herons look up more often when in smaller flocks than when in larger ones, solely as a consequence of poorfeeding conditions.
克雷布斯发现，大蓝鹭在较小的群体中比在较大的群体中更容易抬头，这完全是由于恶劣的饲养条件造成的。
2
His illness was brought on by poorfeeding.
他的病是因营养不良造成的。
3
However, the consistent emerging trend indicated that in poorer households women were either feeding their children a poor diet or skipping meals so their children could eat.