🧩 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
She's nine years old.
她九岁。
She knew that a vocation this year was out of the question.
她知道今年不可能有假期。
Don't push me!
别逼我！