Backtrace technique
[计] 回溯技术
🧩 词语组成解析
[计] 回溯
🗣️ 情景例句
and gave thanks.
感恩。
Learn to say before you sing.
按部就班。
Good idea! That is much better than watching a bad TV programme!
好主意！这比看破电视节目要好多了。