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
There are many natural catastroophes occurring in nature.
自然界里有很多自然灾害发生。
Better be the head of a dog than the tail of a lion.
宁为犬首，不作狮尾。
However, I am very determined.
然而，我已经下定决心了。