volatilesn.挥发组分volatileadj.不稳定的；反复无常的；易挥发的n.挥发物volatile combustion挥发分燃烧volatile protection易失性保护volatile components挥发组分volatile anesthetic挥发性麻醉剂Volatile oil content挥发油含量Volatile Bulk Memory可变大容量存储器volatile coefficient挥发系数volatile constituent挥发性组分volatile instability动荡不安的不稳定状态volatile distillates挥发性馏分