Selective trace
[计] 选择跟踪
🧩 词语组成解析
selective
[si'lektiv]
adj. 精心选择的;选择的，不普遍的;淘汰的;
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
By the way, how is your wife doing, Harrison?
顺便问一下，贵夫人近来可好吗？
How fierce can a lion be without his teeth?
没有牙的是狮子也可怕吗？
He goes to Chinese classes every week.
他每周都要去上汉语课。