Backtrace technique
[计] 回溯技术
🧩 词语组成解析
[计] 回溯
🗣️ 情景例句
You're welcome. Good-bye.
不用谢。再见。
I forgot what I was gonna say.
我忘了要说什么了。
Her tooth ached all night.
她牙疼了一整夜。