1.
"Your footprints by our door, where I had watched you go, Were hidden, every one of them, under green moss,"
门前迟行迹, 一一生绿苔;
2.
"But in fallen leaves that have heaped the Bare slopes, How should I ever find his footprints!"
落叶满空山, 何处寻行迹。
3.
Research of Aircraft Route Planning and Evaluation Algorithm;
飞行器航迹规划与航迹评价算法研究
4.
automoBile tracks in the sand
沙地上汽车行进的痕迹。
5.
The streets appeared deserted.
街上似乎行人绝迹.
6.
not traveled over or through.
没有穿越或穿行的痕迹。
7.
Research and Application of Trajectory Planning and Trajectory Control;
飞行器航迹规划与航迹控制算法研究与实现
8.
perform a task, one's duty, a miracle
执行任务、 履行义务、 做出奇迹
9.
No one walked in the street, for the curfew was strict.
路上因为实行宵禁而行人绝迹。
10.
Research Teaching of the Projectile s Flight Track by Application of Matlab;
用Matlab进行抛射体飞行轨迹研究性教学
11.
The possibility of an early election have been hint at
已经有迹象表明可能提前进行选举
12.
There is some evidence that dishonesty may ebb and flow.
有迹象表明，不诚实行为可能有起有伏。
13.
remove graffiti from the subway walls
除去人行隧道墙上乱涂乱画的痕迹
14.
vapour trails,eg those left in the sky by high-flying aircraft
蒸汽尾迹（如飞机在高空飞行留下的）
15.
vapour trail( trail of condensed water left in the sky by a high-flying aircraft)
雾化尾迹（飞机在高空飞行时留下的）.
16.
(trademark) a tractor that is driven by caterpillar tracks.
一种行使后带有痕迹的拖拉机。
17.
All the signs now seem to indicate that a revival is under way, for two reasons.
众多的迹像表明，其恢复势头正在进行。
18.
We can draw the earth's orbit round the sun.
我们可以画出地球绕太阳运行的轨迹。