单词	声波的
释义	声波的a.sonic(利用)声波的
随便看	physical tracer physical--tracer physical tracing physical--tracing physical track group physical training physical training 体育锻炼 physical training体育锻炼 physical transaction block physical transaction block，ptb physical transaction register physical transient area physical transient area--pta physical transient area，pta physical transistor equivalent network physical transmission right physical transport step physical treatment physical treatment of seed physical treatment process physical twin physical twin backward pointer physical twin forward pointer physical unit physical unit 2.1