Backsliding
v. 倒退；滑坡；故态复萌（backslide的现在分词）
✅ 同义词
📖 牛津释义
backsliding
n [U].
🗣️ 情景例句
The work was turned over to the secretary.
这项工作移交给了秘书。
What do you expect it to go for?
你们的试销情况如何？
Once the existence of this wave-length had been discovered,
一旦这种波长的实际存在被发现，