2 sentences for 队列 (duì​liè — formation)

1. 士兵们在操场上排成整齐的队列。

   shì​bīng men zài cāo​chǎng shàng pái​chéng zhěng​qí de duì​liè.

   The soldiers lined up in neat formations on the drill ground.

   Source: Dong Chinese Dictionary

2. 士兵们在操场上集合进行队列训练。

   shì​bīng men zài cāo​chǎng shàng jí​hé jìn​xíng duì​liè xùn​liàn.

   The soldiers assembled on the parade ground for drill training.

   Source: Dong Chinese Dictionary