- portmanteau variable
- 多用途: multi-role; multipurpose
- 的: 4次方是 The fourth power of 2 i ...
- 变数: variable
- 多用途的: all around; all purpose; all round; allaround; allpurpose; allround; multi purpose; multi role; multi-role; multiduty; versatile - having limited application
- 通用，多用途的: versatile
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