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
Aren't you exhausted?
你不会精疲力尽吗?
How long will the sale last?
折价销售多久?
notes there are now work-stations that enable engineers to design, test and produce chips right on their desks, much the way an editor creates a newsletter on a Macintosh.