Backward tracing
[计] 向后追踪, 自下而上追踪, 倒逆追踪
🧩 词语组成解析
n. 描摹, 描图, 追踪\\n[计] 跟踪
🗣️ 情景例句
This is a brand new product; it proved to be a craze in the American market.
这是一个全新的产品，在美国市场掀起了一股热销潮。
That's great!
真棒！
I can see you have put a lot of time into it.
我相信你在制定这个计划上一定花了不少精力吧。