vt. 跟踪,追踪;追溯,探索;探索;查找;
vi. 沿着一小径或道路前进;可以追溯的;
n. 痕迹,踪迹;微量,极少量;[植](脉)迹;痕迹;
trace(draw)→回溯
🗣️ 情景例句
Thank you. In there?
谢谢 。在那里面吗?
What will you do the day after on next?
后天你干什么?
In the organization of industrial life the influence of the factory upon the physiological and mental state of the workers has been completely neglected.