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
This is as useful as screen door on a submarine.
这毫无用处。
This dress is made of silk,isn't it?
这件衣服用丝绸做的，是吗？
What I saw made me very sad.
我所见到的一切使我非常难过。