船长下达了明确的命令，要求所有船员立即返回岗位。

The captain gave clear ___orders for all crew members to return to their posts immediately.

我通过手机应用下了一份外卖订单。

I placed a pizza ___order through the food delivery app.

请按照时间顺序排列这些事件。

Please arrange these events in chronological ___order.

她加入了慈善修女会，致力于帮助贫困儿童。

She joined a charitable ___order of nuns to help underprivileged children.

警察到达后迅速恢复了街道的秩序。

The police quickly restored ___order to the street after arriving.