They would send in troops if the situation got worse.
His troop was ordered to move to the front line.
troop movements/reductions
troops of schoolchildren
The bell rings and they all troop into school.
英语词典包含67175条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。