这支远征军被派往海外执行特殊任务。

The ___expeditionary troops were sent overseas for a special mission.

这支部队配备了新型远征装备，能够快速部署到偏远地区。

The troops are equipped with new ___expeditionary gear for rapid deployment to remote areas.

这支探险队带着先进的设备前往亚马逊雨林进行研究。

The ___expeditionary team went to the Amazon rainforest with advanced equipment for research.