Trace precedents
[计] 追踪引用单元
🧩 词语组成解析
trace
[tres]
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
precedents
[p'resɪdənts]
n. 引用单元;范例( precedent的名词复数 );先前出现的事例;前例;先例;
🗣️ 情景例句
I have to sign copies of my book for a lot of people
我还必须为许多人在我的书上签名
If you want some shoes, look under the bed.
如果你要鞋子，就在床底下。
What did your boss say to him?
你老板是怎么对他说的？