(especially of a group of soldiers) marching very close together, with each person moving the same l

中文解释

（尤指一队士兵的）紧密步伐（指前后紧接、步伐完全一致的行进方式） Hundreds of guerrillas marching in lockstep formed a guard of honour for the freed rebels. 数百名游击队员组成仪仗队，以紧密步伐向获得自由的起义人员致敬。