1. 任何一种;不管哪种
You use whichever in order to indicate that it does not matter which of the possible alternatives happens or is chosen.
e.g. Whichever way you look at it, nuclear power is the energy of the future...
不管从哪个角度来看，核能都是未来的能源。
e.g. Israel offers automatic citizenship to all Jews who want it, whatever colour they are and whichever language they speak.
犹太人只要愿意，均可自动加入以色列国籍，不管他们是什么肤色，不管他们说何种语言。
2. (用来指明多个可能性中正确或特指的一个)…的那个
You use whichever to specify which of a number of possibilities is the right one or the one you mean.
e.g. ...learning to relax by whichever method suits you best.
学会用最适合的方式来放松自己
副词（表示什么特征或品质在作决定时重要）…的那个；无论哪个；无论哪些形容词无论哪一个；究竟哪一个…pro名词无论哪一个；究竟哪一个网络任何一个；无论那一个；不管哪个