volatileadj.不稳定的；反复无常的；易挥发的n.挥发物volatile ammonia挥发性氨volatile linment氨搽剂volatile storage易失性存储器volatile benzene挥发苯volatile solvent挥发溶剂volatile vehicle挥发性展色剂volatile poisons挥发性毒物volatile additive挥发性添加剂volatile aglycone挥发性苷元volatile-matter挥发分