目标: target; objective踪迹: trail; trace; track鼠标踪迹: mouse trails失去踪迹, 出轨, 偏离目标: off the trail踪迹: trail; trace; track 不留踪迹 not leave a trace同位素标踪: isotopic tracing不留踪迹: not leave a trace层位踪迹: horizon track堆栈踪迹: stack trace跟错踪迹: run riot脚蝇踪迹: vestig = footprint rack留下踪迹: track没有踪迹: without any trace渺无踪迹: without a trace; disappearing completely失去踪迹: off the track; off the trail探寻踪迹: trace out跳转踪迹: jump trace无踪迹的: traceless嗅出…的踪迹: wind 1转移踪迹: jump trace追踪，找到，痕迹，踪迹: trace自然的踪迹: nature trail踪迹，轨迹，微量: trace踪迹化石: ichnofossil; trace fossil踪迹信息素: trail substance
