Generalized trace facility
[计] 通用追踪程序
🧩 词语组成解析
a. 广义的, 普遍的；无显著特点的
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
Grandpa, get the net, please!
爷爷 ，请把网子拿来！
How far is it from the shore of the Atlantic to the mountains?
从大西洋海岸到山脉有多远？
Our next obstacle was a shallow pool of water about half a mile across.
下一个障碍是一片约半英里宽的浅水塘。