Arithmetic progression
[计] 等差数列; 算术数列\\n[经] 算术级数, 等差级数
🧩 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
I wonder if a move would be a bad thing for her. And my job.
我不知道搬家对她来说是否是件坏事。还有我的工作。
Who are you writing to?
你在给谁写信？
Permission was granted and a policeman accompanied him to a pay phone.
警察同意了，陪他来到一个投币地电话前，