traceable (to somebody/something)if something is traceable, you can find out where it came from, where it has gone, when it began or what its cause was可追溯的;可追踪的;可追本溯源的
Most telephone calls are traceable.大多数电话都可查出是从哪里打来的。
a tradition that is traceable back to the 15th century这一传统可以追溯到15世纪