traced

1. [U] [C]痕迹，踪迹 mark or sign that shows sb/sth happened or existed
2. [U]些许，微量 very small amount of sth

1. vt. 追踪; 追溯 track; follow or discover sb/sth by observing marks, tracks, bits of evidence, etc.
2. vt. 发现; 找到 discover; find
3. vt. 描绘; 标出 draw or sketch the course, outline, etc.; mark out
4. vt. & vi. 缓慢而困难地书写 write slowly and laboriously

• trace remain痕迹留下

• bear trace带有痕迹
• contain trace包含微量
• cover one's trace隐匿行踪
• destroy trace消除痕迹
• detect trace觉察少许；发现微量
• disappear without trace消失得无影无踪
• discover trace发现痕迹
• find trace发现痕迹；发现微量，觉察少许
• follow trace追踪
• hide trace掩盖痕迹
• leave trace留下痕迹
• lose trace失去踪迹
• obliterate trace掩盖痕迹
• remove trace除掉痕迹
• reveal trace显露痕迹
• show trace显现痕迹
• sink without trace消失得无影无踪
• vanish without trace消失得无影无踪
• wash trace洗掉痕迹

• archaeological trace古代文化的痕迹
• discernible trace依稀可见的少许；微量
• faint trace依稀可见的少许；微量
• historical trace历史的痕迹
• indelible trace抹不掉的痕迹
• minute trace依稀可见的少许；微量
• permanent trace永久的痕迹
• slight trace依稀可见的少许；微量
• small trace依稀可见的少许；微量
• tiny trace依稀可见的少许；微量
• unmistakable trace明显的微量

• memory trace记忆痕迹

• trace amount痕量
• trace element微量元素
• trace gas微量气体
• trace metal微量金属
• trace mineral微量矿物质

• on the traces of跟踪
• on one's traces搅乱踪迹(使人迷惑)
• with a trace of sth带着一丝…的痕迹
• without a trace of sth没有一丝…的痕迹

• a trace of …的痕迹；一点儿…
• a trace of an ancient civilization一处古代文明的遗迹
• a trace of amusement有点儿觉得好笑
• a trace of anxiety一丝忧虑
• a trace of a smile一缕微笑
• a trace of fear一丝恐惧

• trace family追溯家世
• trace the former course of a river考查河流的故道
• trace history追溯历史
• trace location标出位置
• trace a map描出一张地图
• trace name写下姓名
• trace route画出路线

• trace accurately精确地标出
• trace clearly清楚地标出
• trace laboriously费劲地写
• trace roughly草草地勾画
• trace skillfully熟练地勾画
• trace slowly慢慢地写
• trace back追溯
• trace out勾画出
• trace over描出

• trace to查出…的所在

trace element[化]微量元素

without a trace无影无踪地；渺无踪迹地

trace back追溯

trace amount痕量；微量

trace analysis痕量分析

without trace不着痕迹地；了无踪迹地

trace metal微量金属，痕量金属

trace mineral微量无机物；矿物质

trace out描绘出；探寻；轨迹为

trace level痕迹量级

trace gas微量气体；示踪气体

tooth trace齿线

stack trace堆叠追踪；堆栈踪迹

trace fossil生痕化石；踪迹化石

memory trace记忆痕迹

1. When the police exhume the corpse they discover trace of poison in it
   警方掘出尸体, 发现有中毒的痕迹
2. Traces of blood were found in the bathroom.
   在浴室里发现一点血。
3. The police have detected the trace of the murderer after several days of investigation.
   警察经过几天的调查,发现了凶手的踪迹。

1. He traces his descent back to an old norman family.
   他追踪自己的世系上溯至一个古老的诺曼家族。
2. He traced his signature laboriously.
   他吃力地签上自己的名字。
3. I have nothing to trace.
   我没找到任何东西。