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不留痕迹
1、trace───n.(Trace)（美）塔斯（人名）；n.痕迹；踏出来的小路；（大脑上的学习或记忆）痕迹；语迹；跟踪；微量；丝毫；描记线；交线；缰绳；v.（通过调查）找到；追溯；追踪；沿（特定路径）走；映描；（尤指用手指、脚趾）画；勾画出轮廓
2、leave───n.许可，同意；休假；vt.离开；留下；遗忘；委托；vi.离开，出发；留下
3、no pay leave───无薪假期
4、trace out───描绘出；探寻；轨迹为；勾画出轮廓; 提出; 寻踪觅迹
5、trace element───n.痕量元素，微量元素；[地化][化学]微量元素
6、leave no stone unturned───千方百计; 想尽办法
7、trace andsay───追踪并说出
8、track trace───寻迹
9、trace write───跟踪写入
1、Since then I will know that faking can get to false, can justify from class go away, cheesy leave no trace.───从那时候起我就知道了，装病能请到假，可以名正言顺的从课堂上走开，潇洒的不留任何痕迹。
2、Choose equipment and clothing for comfort, safety, and Leave No Trace qualities.───挑选舒适、安全、环保性能好的装备及衣服。
3、I leave no trace and have no friends.───我不会留下任何痕迹，而且我也没有朋友。
4、Major Tom : This will be a sneaking mission. You must not be seen by the enemy. You must leave no trace of your presence. Is that clear ?───少校：这是次潜入行动，你绝不能让敌人发现，不能让他们发现有你存在的任何线索，明白了？。
5、After his death, his successors wanted to leave no trace of the palace and buried it.───在尼禄死后，他的继位者不想留下任何关于这座宫殿的痕迹，于是把它掩埋起来。
6、l leave no trace of wings in the air, but i am glad i have had my flight.───我没有在空中留下痕迹，但是我很高兴我走了
7、The guys hiked quietly trying to "leave no trace. "───孩子们安静地走着，尽量“不留下任何痕迹”。
8、He was always careful to keep his torch pointed at the floor if he was there at night and to leave no trace of his visit.───当晚上偷入香闺时，他总是十分小心地将手电照向地板，并且不留任何入侵的痕迹。
9、There is no commerce allowed, and it is a leave-no-trace environmentally aware event.───有没有商业的允许，这是一个假期没有追查提高环保意识的活动。