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
Keith and I are through.
基思和我已经不再来往了。
Children learn to creep ere they can go.
孩子要走路，先得学爬行。
In addition to all her other qualifications, Bessie was an expert cook.
贝西除了有各种本领以外，还是一个烹饪大师。