Trace to
上溯, 追查到
🧩 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
to
[tu,tə]
prep. 向，朝着;到;关于;属于;
adv. 朝一个方向的;到某种状态;关闭;
🗣️ 情景例句
has agreed to take care of him for the weekend.
同意在周末照顾他。
Ouch! That hurts.
好痛呦！会受伤哩！
That one is only 90 fen. That's cheap.
那支笔只有九毛钱，很便宜。