科学家们前往南极执行研究气候变化的特殊任务。

The scientists went to Antarctica to carry out their important ___missions on climate change research.

这个宗教组织定期派遣传教团去非洲偏远地区。

The religious organization regularly sends ___missions to remote areas in Africa.

飞行员在敌后完成了一项危险的夜间任务。

The pilot completed a dangerous night ___mission behind enemy lines.

我们将这个大任务分解为几个独立的小任务以便更好地管理。

We broke down the large project into several independent ___missions for better management.