She hatched chicks with either strong or weak lateralisation, then presented the two groups with food hidden among small pebbles and the threatening shape of a fake predator flying overhead.

她孵化出了具有强侧向或弱侧向的雏鸡，然后为这两组小鸡准备了隐藏在小鹅卵石中的食物，还制造出假的掠食者飞过头顶的威胁形状。

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Meanwhile, the needs of the environment are advocated by newer groups, which are both scattered and weak.

同时，环保需求提倡更新的、分散且柔和的组织。

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Though the party system is weak in Afghanistan and few senior leaders attended the joint news conference Wednesday, representatives of many groups that issued the statement hold high-level positions in the Afghan government, military and law-enforcement agencies.

WSJ: Karzai Provokes Pushback at Home