This fascinating experiment showed that plants not only detect and react to specific wavelengths of light, plants can also detect and react to changes in the ratio of one wavelength to another.
这个有趣的实验表明，植物不仅能探测和对特定波长的光产生反应，还能探测不同波长比率的变化并对其做出反应。
To really define a diet to experiment with, you have to be very specific in how you define the diet if you want your experiments to produce meaningful results.
若想真正制定一种饮食试验并产生有意义的结果，你必须精确定义你的食谱。
On the other hand, perhaps something specific to the situation in this experiment is stopping people talking?
从另一方面来说，或许实验情境中某种特有的因素阻止了人们交谈？
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