Arithmetical progression
[经] 算术级数, 等差级数
🧩 词语组成解析
a. 算术的, 算术上的\\n[机] 算术的
progression
[prə'ɡrɛʃən]
n. （事件的）连续;一系列;发展，进展;<数>级数;
🗣️ 情景例句
When does he arrive?
他什么时候到？
He that commits a fault thinks everyone speaks of it.
做贼心虚。
On the other hand, your stomach would turn at the idea of frying potatoes in animal fat -- the normally accepted practice in many northern countries.
另一方面，你一想到动物油炸土豆就会反胃，但这在北方许多国家却是一种普通的烹任方法。