volatileadj.不稳定的；反复无常的；易挥发的n.挥发物volatile products挥发性产物volatile producer挥发性产物Volatile Quantity挥发量volatile register易失性寄存器volatile antirust气相防锈volatile liniment挥发性搽剂volatile aldehyde醛类化合物volatile of boron硼挥发volatile fraction挥发部分,挥发性馏分volatile database易失数据库