Rima hadley is an ancient rille and may be the remnant of a collapsed lava tube .

rimahadley是个古冲沟，是崩塌的熔岩管产生的遗迹。

Researchers call the type shown here a " sinuous " rille , exhibiting strong meanders .

因为有强烈的曲折，研究人员将这种类型的称为“蜿蜒”山谷。