Paper trail
能证明某人活动的纸质文件, 纸质追踪文件
🧩 词语组成解析
paper
['pepɚ]
n. 纸;文件;论文;文章;
vt.& vi. 贴纸;
vt. 包装，用纸覆盖;贴壁纸;提供纸张;[俚语] 提供免费入场券;
vi. 贴糊墙纸;发交通违章传票;
adj. 纸制的;似纸的;有名无实的;
trail
[trel]
vt. 跟踪，追踪;拖曳：让…拖或飘扬在后面;拖沓而行;跟在…后面;
vi. （在比赛等中）输;（尤指跟在他人后面）疲惫地走;（在比赛或其他竞赛中）落后;蔓生;
n. 足迹;臭迹;小径;一缕;
trail(draw)→拖；拉；追踪；尾随；踪迹；小径
🗣️ 情景例句
Could you have a taxi waiting for me, please?
能否叫辆出租车等我？
Our new product line has been very successful. We've expanded the factory twice this year already.
我们新的生产线非常成功，我们今年已把工厂扩展了两倍。
I asked him what it was and he told me that it was Medusa, the Gorgon.
我问他那是什么？他告诉我那是蛇发女怪美杜莎。