traceable
adjective uk/ˈtreɪ.sə.bəl/ us/ˈtreɪ.sə.bəl/
可追踪的；可查出的
possible to trace
In theory, most phone calls should be traceable. 从理论上说，大多数电话应该是可以查出其来源的。
His medical problems were shown to be traceable to (= to have been caused by) his having been exposed to dangerous chemicals. 有迹象表明，他的健康问题是由于其接触过危险化学品引起的。