Trace fossil
踪迹化石
🧩 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
🗣️ 情景例句
Yes. I'd like that.
要啊！我想看一看。
She turns me off.
她使我厌烦。
It is harvest time, and all the farmers are very busy.
因是收获季节，所有的农民都很忙。