基础方面不出错——与大部分听众进行眼神接触，略微改变一下语调。
Keep your basics correct - making eye contact with a chunk of the audience, changing your tones a bit.
科学家们已经展开了各种研究，通过略微改变某个单一基因而在很大程度上延长不同动物的生命周期。
Scientists have already carried out research which has showed lifespan of many animals can be dramatically extended by making minute changes in single genes.
另外一些形态已经略微改变其习性或者结果（但非其基本特征），自然，在此给予了一定阐述。
Other patterns have to change their habits a little, or the result of (but not its basic features), nature, in some of this to give.
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