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
Eight o'clock is fine.
八点钟可以。
I invited him to come in, but he wouldn't.
我请他进来，但是他不肯。
I will seek from my doctor's advice.
我将请教医生的意见。