progression
US /prəˈɡreʃ.ən/
UK /prəˈɡreʃ.ən/
名词
1.
进展, 发展, 演变
a movement or development toward a destination or a more advanced state, especially gradually or in stages
示例:
•
The disease showed a slow progression.
疾病表现出缓慢的进展。
•
We observed the progression of the seasons.
我们观察了季节的演变。
2.
进行, 数列
a sequence of numbers or musical chords
示例:
•
The song features a complex chord progression.
这首歌的特点是复杂的和弦进行。
•
An arithmetic progression is a sequence of numbers such that the difference between the consecutive terms is constant.
等差数列是这样一种数列，其中连续项之间的差是常数。
在 Lingoland 学习这个单词