Retrogressing
v. 倒退, 逆行, 退化( retrogress的现在分词 )
🗣️ 情景例句
And I lick the envelopes.
那我就粘信封 。
We continued to struggle up the steep slope of the mountain.
我们为了攀登山的陡坡，不断地倍尝辛劳。
Yes, that's right.
是的。