🧩 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
I think it's too easy.
我觉得它太简单了。
Children enter primary school at the age of 7.
孩子们7岁进小学。
That's right.I drove it into a lamp-post.
是啊。我把汽车撞在电线杆上了。