“松散的”的英语？

两个小伙子正在松散的砾石路面上赛摩托车。Two young men were racing motorcycles on the loose gravel.他们在推选的首领的领导下,组成了松散的互助联盟.They formed loose leagues of mutual help under chosen leaders.松散的沉积物可以变成坚硬的沉积岩.Loose sediments may be changed into sol...