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
Thank you very much.
非常感谢。
Many people favor building more nuclear power plants.
许多人赞同修建更多的核电站。
She looked everywhere for him but could not find him.
四处寻找，但没有找着。