Selective tracing
[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;
n. 描摹, 描图, 追踪\\n[计] 跟踪
🗣️ 情景例句
I have been learning English for three years now.
我学英语有3年了。
A Jack of all trades and master of none.
三脚猫无所长。
It's about a hundred metres along on the right.
再沿右边边走大约100米。