at a loose end
【建筑】不稳固的山岩（没加固的岩石）【纺织；造纸】松动岩石（疏松的岩石）
loose rock (unconsolidated rock)
暂无补充释义。
相关词条
loose-flowing
a loose fish
loose stool
loose\HALT \VERB; loss \NOUN
abrasive material, loose
loose body
spacing body ball bearing with loose spacing bodies