词汇	ephemeral word
释义	ephemeral word 瞬息新词
随便看	acoustic surface wave waveguides acoustic surveillance acoustic survey acoustic surveying acoustic susceptance acoustic suspension acoustic swath-mapping acoustic sweep acoustic sweeping acoustic switch acoustic synchronizer acoustic system acoustic tablet acoustic taboet acoustic taming acoustic tank acoustic target acoustic target classification acoustic target identification acoustic target recognition acoustic target-seeking missile Acoustic Target Sensor acoustic teaching acoustic technic acoustic technics