Backward progression
[医] 后退
🧩 词语组成解析
progression
[prə'ɡrɛʃən]
n. （事件的）连续;一系列;发展，进展;<数>级数;
🗣️ 情景例句
OK. I'll be back in a few minutes.
好，过几分钟我就回来。
I wrote to him last Friday.
我上个星期五写信给他。
The smoke from the fire rose and found its way outside and the light danced over the roof of the cave.
缕缕青烟从火中升起，飘出洞外，火光在洞顶上闪耀。