当且仅当有可重复的科学证据证明蝾螈之眼有效时，蝾螈之眼才会进入小黑袋中。
Eye of newt goes into the little black bag, if and only if there is reproducible scientific evidence that it works.
需要用一种语言即使是一个卡车司机或者是一个科学家都能理解-简单，可以理解并且是可重复的语言。
It does help to use language that can be clearly understood by a truck driver and a scientist — simple, understandable and repeatable language.
这种科学方法的主要组成部分是：实验应该是可重复的，以便其为他科学家证实或否定其结果；
The main components of the scientific method are that experiments should be repeatable, so other scientists can verify or nullify the results;
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